# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY
AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Tel : (33) 5 61 93 33 33 Telex : AIRBU 530526F Fax : (33) 5 61 93 42 51 This summary is for information only and is not approved for modification of the aircraft. ATA SYSTEM: 32 

### TITLE: LANDING GEAR - NORMAL BRAKING - INSTALL BSCU SOFTWARE STD L4.9B (EMM). **CONF ALL MODIFICATIONS MODIFICATION CLASSIFICATION MAJOR 38973P10891 MINOR None NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the mass, balance, structural strength, reliability, operational characteristics affecting the airworthiness of the product. All other changes are major changes. REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES Since mid 2004, some cases of nose landing gear shock absorber anti-rotation devices rupture have been reported to AIRBUS. A sequence of the steering pre-land test was proved to be a contributing factor to these events. In one case, it was associated with a steering loss occurring after nose landing gear locking down. Consequently the nose wheels were turned at 90 degrees before landing. In the recent years, some operators have reported cases of braking efficiency degradation during landing in normal braking mode with the autobrake mode selected beforehand. It was found that for some main landing gear tyres, the actual rolling radius was smaller than the Braking and Steering Control Unit (BSCU) datum, affecting the braking efficiency at low speed. This Service Bulletin is issued to improve operation of the braking and steering systems on aircraft equipped with Enhanced Maintainability and Manufacturing (EMM) BSCU : - standard L4-8 (PN E21327004) (installed by Mod. No. 35216P8866 or Service Bulletin No. A320-32-1305 (Mod. No. 36368P9644) or Service Bulletin No. A320-32-1343 (Mod. No. 38889P10889), - standard L4-9 (PN E21327005) (installed by Mod. No. 36853P9655 (Service Bulletin No. A320-32-1335). This Service Bulletin is published to advise all operators of A318, A319, A320 and A321 aircraft, equipped with EMM BSCU of the issue of MESSIER-BUGATTI Service Bulletin No. E21327-32-3302. This Service Bulletin recommends incorporation of software changes by modifying the On Board
DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 1 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY Replaceable Modules (OBRMs) of the BSCU. This BSCU will be modified and re-identified with PN E21327006. This new version is obtained either by replacement of the OBRMs or replacement of the BSCU. Accomplishment of this Service Bulletin will allow to improve the reliability of the Braking and Steering Control System (BSCS) and the braking performance of A321 aircraft equipped with MESSIERGOODRICH brakes. Accomplishment of this Service Bulletin cancels the inspection requirements of Service Bulletin No. A320-32-1318. When BSCU standard L4-9 is replaced by BSCU standard L4-9B, restrictions cancelled by this modification is OEB No. 194. In addition, OEB No. 175 and 176 (OEB associated to Flight Manual (FM) Temporary Revision (TR) 4.02.00/33 and 4.02.00/34), associated to nose wheel steering pre-land test (pre-EMM BSCS = pre-Mod No. 26925) are also cancelled by this modification. When BSCU standard L4-8 is replaced by BSCU standard L4-9B, restrictions cancelled by this modification are OEB No. 175 and 176 (OEB associated to FM TR 4.02.00/33 and 4.02.00/34) on aircraft fitted with pre-EMM BSCS (pre-Mod. 26925). When BSCU standard L4-8 is replaced by BSCU standard L4-9B, Flight Crew Operating Manual (FCOM) TR 924 will be deleted by the introduction of the EMM BSCU standard L4-9B for aircraft fitted with 49x17-20 tires. GENERAL EVALUATION EVALUATION TABLE COMPLIANCE RECOMMENDED CANCELS INSPECTION SB YES POTENTIAL AD YES A/C OPERATION AFFECTED YES RELIABILITY AFFECTED NO PAX COMFORT AFFECTED NO COST SAVING NO ETOPS AFFECTED NO STRUCTURAL LIFE EXTN NO VENDOR SB INVOLVED YES MATERIAL PRICE INFORMATION MATERIAL PRICE INFORMATION TABLE TYPE MATERIAL QUANTITY PER A/C PRICE PER A/C (USD) MAINPARTS
COMP Component COMPA01 See SB See SB BSCU

EFFECTIVITY This Service Bulletin is applicable to this (these) operator(s) :

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 2 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY

03X 06Y 15V 17W 20W 31V 31X 39Z 42W 47W 52W 53Z 57W 60X 62X 78W 78X 80X 91X 95V 95W AAF AAN AAR AAW ABQ ABY ACA ACI ADH ADR AEE AFL AFQ AFR AHY AIJ AJM ALK AMC AMU ANA ARG ATC AUA AVA AXM AZA BAB BAW BER BGH BIE BKP BMA BMM BRS BST BTV BWG CCA CCM CEB CEF CES CHH CIB CLA CLI CQH CQN CSA CSC CSN CSZ CTN CYP DAT DCS DER DGA DKH DKN DLH DNJ DRK DXH EDW EEZ EIN ETD EZY F2I FCA FFT FHY FIN FOM G4I G8E GFA GOW GWI GWY GXL HDA HEJ HHI HMS HVN I2L IAC IBE IGO INX IRM ISR ISS IWD IZM JAV JBU JCS JET JKK JSA JST JZR KAC KBR KFR KGL KKK KNE KYV KZR LAN LBT LFO LTC LTE LTU LVG MAU MDL MEA MLD MNJ MON MPD MSC MSR MXA MYW NKS NLY NVR NWA OHY ORF P2G PAL PTI QAF QTR R1T RBA RJA RKM RNV ROT RYW RZO SAA SAS SBI SDM SFJ SHJ SHY SKB SLK SOR SSV SVR SVW SWR SYR TAE TAI TAM TAP TAR TAS TCW TCX TGW THY TNA TWJ UAL UDC UEA UKN USA VBW VIM VKG VLE VLG VLK VLU VOI VRD VUN WGT WHT WVL WZZ XLF CONCURRENT REQUIREMENTS Accomplishment of this Service Bulletin requires the prior or simultaneous accomplishment of the following Service Bulletin or the equivalent production modification : Service Bulletin No. A320-32-1305 Mod. No. 36368P9644 A320-32-1335 33376P8076 36368P9644 36853P9655 A320-32-1343 38889P10889 NOTE: Accomplish either Service Bulletin No. A320-32-1305 or A320-32-1335 or A320-32-1343 (refer to Appendix 1 ) as per effectivity specified in these Service Bulletins. REFERENCES / REPERCUSSIONS TFU None OEB 175 176 194 AOT None SIL None LINE MAINTENANCE AFFECTED no LIFE LIMIT none OTHERS none NATURE OF THE WORK AIRCRAFT NO EQUIPMENT YES HARD NO SOFT YES OBRM YES

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 3 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY
MANPOWER Task 321350-831-801-001: MODIFICATION TOTAL MANHOURS 3.0 ELAPSED TIME (HOURS) 3.0 Additional manhours related to Vendor SB; refer to: In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG). (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302) APPENDICES Appendix 1

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 4 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY

**CONF ALL

FR1 FR24A



### A

811

10GG



## A

N_SB_321350_5_AAAA_01_00 90VU

Figure A-FAAAA - Sheet 01

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 5 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN SUMMARY

This Page Intentionally Left Blank

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 6 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Tel : (33) 5 61 93 33 33 Telex : AIRBU 530526F Fax : (33) 5 61 93 42 51 ATA SYSTEM: 32 

### TITLE: LANDING GEAR - NORMAL BRAKING - INSTALL BSCU SOFTWARE STD L4.9B (EMM). MODIFICATION No.: 38973P10891 This document contains AIRBUS PROPRIETARY INFORMATION and shall at all times remain the property of AIRBUS; no intellectual property right or licence is granted by AIRBUS in connection with any information contained in it. It is delivered on the express condition that said document and the information contained in it shall be treated as confidential, shall not be used for any purpose other than that for which it is hereby delivered. It shall not be disclosed in whole or in part to third parties and shall not be duplicated in any manner (except for the purposes of performing the tasks described hereunder and provided that any recipient of such document shall comply with the conditions herein), without AIRBUS prior written consent. 1. PLANNING INFORMATION **CONF ALL A. EFFECTIVITY NOTE: This modification is embodied before delivery on A318 aircraft MSN 3606, 3635 and subsequent, on A319 aircraft MSN 3632, 3638 and subsequent, on A320 aircraft MSN 3598 to 3610, 3613 to 3630, 3640 and subsequent, on A321 aircraft MSN 3636 and subsequent NOTE: This Service Bulletin is not applicable to A320 aircraft on which modification No. 20139J0016 (MAIN LANDING GEAR - INSTALL A 4 BOGIE) is embodied and on which modification No. 22129J0716 (MLG - REPLACE BOGIE WITH TWIN WHEEL) is not embodied. NOTE: This Service Bulletin is not applicable to A318/A319/A320/A321 aircraft equipped with DUNLOP tyres 46X16-20 PN DR11659T and PN DR11661T. DUNLOP tyres 46X16-20 are no more authorized after BSCU standard L4.9B installation. (1) Models 320-111 320-211 320-231 320-212 321-131 320-232 321-112 320-233 321-111 320-214 319-114 319-112 319-113 321-231 321-211 319-131 319-111 321-212 319-132 319-133 319-115 321-232 318-112 318-111 320-216 318-121 321-213

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 1 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

(2) Effectivity by MSN
0002-0008 0010 0012-0014 0016-0017 0019-0021 0029 0031 0033-0044 0052-0055 0059 0061-0073 0076-0078 0081-0088 0091 0093-0094 0098-0104 0108-0237 0239-0270 0272-0373 0375-0395 0399-0415 0417-0422 0424-0430 0434-0450 0452-0468 0470-0480 0482-0485 0487-0489 0491 0493-0498 0500-0535 0537-0546 0548-0601 0603-0631 0633-0707 0709-0752 0754-0788 0790-1185 1187-1277 1279-1373 1375-1812 1814-1821 1823-1829 1831-1918 1920-1929 1931-1984 1986-1991 1993-2024 2026-2110 2112-2721 2723-3590 3592-3597 3600 3602 3604 3608 3611-3612 3614-3615 3617 3619-3620 3623 3625 3629 3631 3633-3634 (3) Effectivity by Operator The Operator/MSN relationship is provided for information only and is correct at the time of issue in accordance with the information available to AIRBUS. Any future changes resulting from transfer of an aircraft from one operator to another will not be reflected in this list unless the Service Bulletin is revised for another reason. OPERATOR MSN 03X 2421 06Y 0345 15V 3333 17W 3046 20W 3356 31V 0006 0017 31X 2192 39Z 0956 42W 3513 47W 0764 3164 52W 3243 53Z 1468 57W 1999 60X 3617 62X 2403 3402 78W 3530 78X 0148 80X 2748 91X 2837 95V 3379 95W 2949 AAF 0244 0558 0561 0639 0808 0823 0888 1006 1451 1846 2296 AAN 0430 AAR 0802 1227 1356 1511 1636 1670 1734 2041 2045 2110 2226 2247 2290 2397 2459 2808 2840 2943 3244 3297 3437 3483 3496 AAW 3224 3236 3615 ABQ 0394 0443 0760 1008 1199 1218 3385 3388 ABY 2158 2166 2278 2349 2678 2712 2764 2930 2964 3044 3218 3246 3444 3476

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 2 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN ACA 0059 0068 0073 0084 0122 0126 0127 0141 0149 0150 0154 0159 0174 0175 0183 0210 0231 0232 0233 0242 0248 0253 0254 0255 0265 0277 0284 0290 0309 0324 0330 0341 0378 0403 0404 0546 0572 0634 0649 0656 0670 0672 0682 0688 0691 0693 0695 0697 0711 0719 0721 0728 0732 0736 0740 0742 0752 0757 0769 0773 0779 0785 0800 0813 0817 0829 0831 0840 0845 1562 1577 1602 1611 1623 1632 1638 1719 1726 1748 1772 1783 1811 1864 1874 1940 2018 2145 ACI 2152 ADH 2869 2932 2995 3076 3079 3080 3115 3178 3213 3295 3328 3343 3362 3412 3464 3482 3502 3515 3532 3563 ADR 0043 0113 0114 AEE 3033 3066 3074 3365 3392 3423 3439 3462 3478 3526 3527 AFL 2052 2069 2072 2091 2093 2106 2116 2133 2144 2151 2163 2179 2222 2233 2243 2330 2337 2342 2875 2903 2912 2920 2947 2957 2965 3052 3063 3157 3191 3267 3281 3298 3334 3336 3373 3410 3511 3545 3574 3631 AFQ 2440 AFR 0002 0004 0005 0007 0010 0012 0013 0014 0016 0019 0020 0021 0036 0044 0061 0062 0063 0100 0101 0102 0108 0115 0128 0129 0130 0131 0133 0144 0145 0155 0156 0184 0186 0187 0188 0214 0226 0227 0228 0235 0236 0237 0239 0270 0278 0285 0286 0287 0337 0352 0377 0491 0498 0509 0521 0529 0544 0598 0600 0608 0618 0625 0637 0777 0796 0938 0985 0998 1000 1020 1025 1036 1133 1151 1169 1176 1190 1201 1216 1267 1271 1299 1344 1404 1415 1444 1449 1471 1476 1502 1505 1524 1616 1622 1640 1645 1658 1677 1691 1699 1733 1859 1873 1879 1885 1894 1900 1924 1938 1949 2035 2059 2071 2081 2100 2109 2140 2213 2228 2279 2317 2344 2350 2456 2582 2601 2686 2705 2716 2721 2750 2918 2938 2951 2961 2967 2972 3008 3009 3051 3065 3098 3372 3399 3401 3419 3420 3441 3470 AHY 0331 2487 2516 2588 2788 AIJ 1132 1162 1179 1244 1259 1308 1322 3149 3160 3286 3312 3508 3514 AJM 0422 0624 0626 0628 0666 0775 1213 1390 1503 1747 1905 1966 1988 2048 ALK 0164 0169 0304 0315 0406 AMC 2113 2122 2142 2186 2189 2291 2332 2382 2665 2768 3056 3068 AMU 0557 0597 0620 0631 0805 0908 1758 1790 1850 1893 1912 1926 1962 ANA 0139 0151 0167 0170 0196 0212 0219 0245 0300 0328 0365 0383 0413 0482 0501 0507 0531 0534 0549 0554 0658 0669 0685 1973 2054 2061 2998 3099 3147 3148 3189 ARG 0420 0436 ATC 0630 AUA 0552 0570 0581 0768 0776 0797 0920 0935 1137 1150 1189 1387 1458 1478 2131 2174 2262 2416 2494 2547 2652 AVA 3408 3467 3518

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 3 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN AXM 2612 2633 2656 2683 2699 2760 2816 2826 2842 2881 2885 2926 2944 2956 2989 3000 3018 3064 3117 3140 3154 3173 3182 3194 3201 3223 3232 3261 3277 3291 3299 3327 3338 3353 3370 3394 3404 3427 3448 3477 3486 3489 3505 3521 3536 3549 3568 3576 3582 AZA 0434 0477 0488 0494 0495 0513 0514 0515 0516 0524 0526 0532 0576 0583 0586 0593 0599 0765 0819 0848 0940 0951 0959 0999 1138 1168 1217 1220 1226 1448 1457 1473 1480 1489 1722 1740 1745 1770 1779 2033 2057 2074 2083 2086 2101 2127 BAB 0579 0645 BAW 0039 0042 0103 0109 0120 1082 1115 1118 1142 1193 1197 1222 1225 1232 1236 1239 1258 1261 1279 1295 1329 1338 1380 1384 1423 1440 1445 1466 1510 1513 1529 1537 1558 1574 1590 1594 1604 1606 1661 1665 1689 1696 1708 1760 1782 1814 1829 1871 1883 1899 1907 1910 1958 2038 2040 2305 2320 2323 2324 2351 2363 2536 3081 3235 3254 3290 3301 3314 3351 3468 3499 3550 BER 1629 1994 2005 2335 2383 2467 2468 2685 2696 2820 2835 2846 2853 2865 2968 2991 3006 3021 3055 3093 3121 3139 3188 3202 3242 3245 3289 3346 3415 3422 3447 3516 3586 3604 BGH 0221 0294 0305 0349 BIE 0293 0517 0519 0535 0642 0827 0891 2707 BKP 2254 2310 2509 3142 3421 3424 3454 BMA 0835 0934 1014 1174 1177 1194 1418 1424 1690 1697 1711 1732 1922 1987 2098 2188 2190 2194 2389 2429 2441 2466 2653 2694 2697 2720 2799 2981 3049 3512 BMM 2064 2076 2726 3070 BRS 2263 BST 0604 0614 BTV 0441 0449 2648 2660 BWG 0916 1240 1257 1464 1546 1557 1650 1785 1823 1896 CCA 0707 0724 0876 0921 1296 1654 1679 1753 2000 2007 2015 2172 2202 2205 2237 2269 2285 2293 2298 2454 2499 2508 2525 2532 2545 2551 2559 2614 2643 2805 2819 2839 2847 2890 3195 3200 3226 3250 3307 3329 3523 3623 CCM 0533 0548 1068 1145 CEB 2419 2439 2556 2586 2625 2638 2786 2790 2821 2831 2852 2876 2994 3048 3272 3433 3472 3487 CEF 2801 3085 CES 0665 0754 0772 0799 0828 0838 0854 0883 0897 0909 0914 0925 0939 0967 0984 0986 1005 1028 1030 1041 1070 1072 1093 1108 1285 1303 1312 1316 1330 1345 1357 1361 1377 1386 1532 1541 1542 1551 1601 1603 1639 1778 1786 1906 1911 1964 1981 2022 2034 2036 2049 2056 2068 2155 2171 2182 2199 2212 2219 2221 2235 2239 2244 2274 2309 2315 2437 2451 2478 2493 2498 2543 2549 2562 2591 2606 2627 2693 2757 2825 2882 2895 3168 3170 3186 3197 3233 3247 3249 3262 3471 3481 3559 3593 3611 3612 CHH 3520 3548 3561 3578 3580 CIB 0774 0809 0884 0894 0905 0957 0971 1381 1402 1416 1437 1968

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 4 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN CLA 2592 2910 3199 3363 CLI 0134 0136 0143 0146 0177 0199 0240 0241 0264 0303 0312 0992 1063 1221 1396 1430 1461 1550 3109 3145 3151 3174 3203 3237 3376 3400 CQH 0879 0978 1286 1372 1686 1769 2939 3014 3023 CQN 0696 0698 0704 0705 CSA 0674 0684 1439 1450 2719 2758 2789 3031 3043 3060 3094 3097 3406 3436 3452 CSC 0540 0550 0551 0556 0573 0582 0591 0872 0874 0878 0902 0912 0915 0919 1007 1013 1060 1293 1500 2313 2348 2396 2431 2510 2534 2597 2639 3114 3116 3124 3158 3167 3196 3210 3386 3449 3583 CSN 0709 0710 0712 0718 0720 0722 0849 0859 0881 0895 0900 0950 0966 1035 1039 1057 1596 1614 1776 1788 1971 1974 1986 1995 2004 2008 2067 2080 2200 2203 2232 2273 2275 2334 2343 2345 2354 2361 2371 2408 2426 2435 2484 2505 2506 2511 2519 2521 2530 2541 2546 2554 2555 2558 2574 2579 2637 2667 2680 2689 2701 2708 2713 2714 2741 2743 2759 2767 2770 2772 2796 2809 2815 2824 2834 2855 2861 2877 2899 2901 2915 2936 2940 2948 2950 2960 2969 2971 2986 3020 3067 3075 3112 3144 3217 3241 3251 3258 3269 3311 3342 3459 3493 3507 3552 3566 3587 CSZ 0994 2672 2684 2841 2905 2909 2935 2973 2980 3131 3132 3153 3206 3366 3383 3435 3440 3456 3528 CTN 0258 0671 0767 0833 1009 1029 1237 1252 CYP 0035 0037 0038 0180 0256 0295 0316 1729 1768 DAT 0644 1160 1336 1388 DCS 1053 DER 2557 2561 2581 2611 2617 2644 2733 2746 2849 2891 2985 3285 DGA 1485 1556 DKH 2879 2913 2975 3027 3234 3268 3368 3485 3596 DKN 0932 0943 0977 2029 2077 2366 2376 2524 2564 2645 2676 2731 2747 2753 2874 2908 2914 2922 3012 3162 3183 3219 3316 3524 3543 DLH 0069 0070 0071 0072 0078 0083 0086 0093 0094 0104 0110 0111 0116 0117 0135 0137 0147 0161 0162 0172 0200 0201 0202 0209 0216 0217 0218 0267 0268 0269 0346 0382 0401 0412 0458 0468 0473 0474 0484 0493 0502 0505 0518 0560 0563 0564 0567 0595 0609 0610 0616 0623 0627 0636 0641 0651 0652 0679 0689 0692 0694 0699 0700 0717 0723 0729 0738 0744 0853 0860 0875 0887 0901 1080 1161 1188 1214 1260 1273 1337 1365 1367 3265 3339 3360 3387 3434 3592 3625 DNJ 1494 DRK 2306 2346 DXH 2762 2774 3024 3215 3221 3337 3461 3506 EDW 0942 0947 1026 EEZ 0737 0749 1125 1852 1920 1937 1983 2001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 5 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN EIN 0815 0841 0926 0991 1023 1094 1242 1394 1443 1467 2191 2206 2217 2250 2256 2272 2294 2364 2374 2399 2409 2411 2432 2486 2542 2583 2635 2810 3129 3136 3318 3345 3501 ETD 0350 1944 1945 1947 1955 2167 3004 3050 EZY 1428 1687 1715 1723 1754 1869 1918 1969 1993 2037 2043 2050 2053 2062 2119 2120 2129 2137 2157 2170 2176 2181 2184 2196 2214 2224 2230 2245 2249 2251 2265 2271 2283 2289 2300 2319 2353 2360 2370 2378 2380 2385 2387 2398 2402 2412 2420 2427 2436 2442 2446 2450 2460 2462 2463 2471 2477 2481 2492 2495 2503 2512 2514 2527 2528 2538 2548 2565 2578 2605 2636 2646 2677 2681 2682 2691 2702 2709 2715 2727 2729 2735 2742 2744 2754 2765 2769 2777 2779 2782 2795 2803 2812 2818 2827 2829 2854 2860 2866 2873 2884 2923 2946 2959 3003 3036 3041 3053 3059 3061 3082 3084 3088 3090 3106 3118 3122 3134 3137 3176 3184 3382 3411 3413 3426 3432 3442 3466 3537 3544 3546 3555 3569 3571 3575 3608 3634 F2I 0008 0033 FCA 0781 0852 1320 1571 1637 1720 1777 2180 FFT 1488 1515 1560 1579 1583 1660 1684 1743 1759 1761 1781 1803 1841 1851 1863 1876 1939 1943 1980 1991 1997 2010 2012 2017 2019 2030 2051 2103 2198 2209 2218 2236 2240 2241 2253 2258 2260 2276 2287 2318 2392 2400 2406 2448 2465 2483 2497 2518 2700 2751 2763 2806 2836 2857 3028 3038 3092 3110 3163 3389 3431 FHY 0132 0283 0288 0771 0855 FIN 0941 0961 1073 1107 1184 1185 1241 1309 1352 1364 1405 1470 1544 1588 1678 1712 1735 1791 1808 1913 1916 1978 1989 2065 2124 2146 2154 2208 2266 FOM 2085 2090 2112 2130 2148 2153 2173 2257 2297 2533 2594 2663 G4I 1157 1795 2507 G8E 0003 GFA 0289 0325 0375 0407 0409 0419 0459 0466 0497 0537 1884 1901 GOW 0455 0471 1482 1509 3256 3306 3597 GWI 0646 0654 0794 1016 1077 1084 1089 1136 1147 1155 1170 1172 1209 1277 2607 2628 2632 2813 2833 2976 3011 3128 3172 3193 3352 3358 3375 3500 3534 GWY 1152 1198 1615 1725 1867 2175 2187 2325 2327 GXL 1860 2500 HDA 0633 0756 0784 0812 0877 0930 0993 1024 1253 1695 1721 1984 2021 2229 2238 2428 HEJ 0142 HHI 3364 3403 3533 3560 3589 HMS 3309 3564 HVN 0590 0594 0601 0605 0607 0611 0617 0619 0648 0650 2255 2261 2267 2303 2480 2974 3005 3013 3022 3198 3315 3355 3600 I2L 0525

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 6 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN IAC 0168 0179 0225 0247 0257 0308 0314 0326 0327 0336 0344 0354 0362 0376 0386 0411 0478 0480 1668 1718 2593 2624 2629 2907 3130 3146 3212 3271 3288 3300 3305 3326 3340 3344 3367 3498 3551 3557 3573 3619 3620 IBE 0158 0173 0176 0207 0223 0224 0266 0274 0323 0356 1021 1027 1047 1059 1067 1087 1099 1101 1119 1154 1180 1200 1208 1229 1247 1255 1262 1288 1292 1318 1347 1362 1379 1454 1484 1516 1530 1540 1554 1572 1655 1674 1681 1694 1716 1736 1793 1809 1836 2104 2115 2143 2220 2225 2242 2248 2264 2270 2311 2347 2357 2365 2381 2391 2472 2488 2563 2599 2736 2756 2776 2807 2843 2870 2889 2897 2996 3054 3078 3102 3169 3179 3209 3255 3320 3377 3380 3443 IGO 2844 2863 2883 2911 2958 2990 3086 3159 3192 3227 3259 3308 3335 3357 3414 3453 3457 3497 3541 INX 0963 0968 0974 IRM 0530 0575 0857 1202 ISR 0333 ISS 1048 1102 1283 1305 IWD 1130 1578 1597 1657 1767 2011 2745 IZM 2404 2414 2452 JAV 0029 JBU 1123 1156 1173 1235 1270 1280 1302 1327 1398 1446 1452 1506 1528 1591 1610 1705 1739 1784 1827 1849 1861 1868 1891 1898 1904 1915 1917 1927 1948 2006 2020 2031 2042 2063 2075 2099 2125 2132 2136 2141 2147 2149 2150 2159 2160 2177 2201 2215 2231 2246 2259 2280 2284 2286 2307 2314 2336 2352 2368 2384 2386 2415 2447 2449 2461 2489 2491 2504 2520 2535 2577 2580 2640 2647 2671 2710 2725 2755 2781 2802 2814 2832 2848 2871 2880 2900 2945 2970 2977 2992 3029 3039 3072 3091 3119 3150 3190 3228 3263 3287 3348 3381 3416 3451 3479 3488 3517 3554 3572 JCS 0211 JET 0163 0204 0215 0371 0393 0414 0421 0542 0647 0660 0816 JKK 1183 1276 1333 1349 1366 1383 1407 1497 1631 1682 1749 1843 1862 1914 1933 1946 1979 1998 2027 2168 2210 2223 2479 2589 JSA 2316 2356 2395 2401 2604 JST 1195 1408 1438 2169 2185 2197 2292 2299 2322 2329 2338 2423 2453 2455 2457 2475 2515 2526 2537 2573 2587 2600 2608 2642 2651 2703 2717 2766 2787 3474 3495 3547 JZR 2569 2584 2792 2822 3016 3349 KAC 0181 0182 0195 2046 KBR 0937 3171 KFR 2413 2443 2496 2502 2522 2531 2576 2621 2634 2650 2664 2670 2817 2856 2916 2919 2927 2933 3034 3089 3105 3120 3270 3302 3322 KGL 0313 KKK 0460 0461 0640 0676 2631 2655 KNE 1086 1124 1589 1886 2165 3238 3361 3396 3425 3475

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 7 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN KYV 1012 2117 KZR 1042 1204 2016 2128 2828 2987 3141 3484 3519 3614 LAN 0990 1304 1332 1351 1355 1491 1512 1526 1548 1568 1626 1854 1858 1877 1903 2089 2096 2295 2304 2321 2572 2585 2845 2858 2864 2872 2886 2887 2892 2894 3001 3030 3062 3214 3216 3280 3319 3371 3390 3438 3469 3509 3535 3556 3585 3602 LBT 0112 0222 0246 0299 0301 0348 0400 0793 0970 0995 1121 1175 1744 3480 LFO 0659 LTC 0310 0359 0384 0446 0726 LTE 0087 0088 0438 0445 0496 0580 2123 LTU 1385 1441 1493 1504 1553 1607 1762 1797 1806 1838 1931 2009 2539 2619 2654 LVG 0792 1950 1970 MAU 1592 1936 MDL 0279 0391 3252 3264 3317 3330 MEA 1878 1953 1956 1967 1977 2055 MLD 0249 0622 MNJ 0615 MON 0379 0389 0392 0864 0983 1015 1045 1081 1153 1207 1370 1433 1707 1763 1794 1941 2105 2234 MPD 0342 0426 0662 MSC 2937 2966 3282 3323 MSR 0165 0166 0178 0194 0198 0322 0351 0366 0680 0687 0715 0725 2070 2073 2079 2088 2094 MXA 0252 0259 0260 0261 0275 0276 0280 0291 0292 0296 0320 0321 0332 0347 0353 0357 0361 0368 0369 0373 0405 0415 0428 0447 0467 0566 1429 1598 1612 1618 1625 1630 1634 1673 1706 1742 1750 1805 1866 1872 1882 1925 2066 2078 2126 2328 2333 2358 2367 2377 2394 2523 2544 2552 2575 2662 3123 3304 3374 MYW 0338 0363 0444 0814 NKS 2424 2433 2470 2473 2476 2485 2490 2560 2567 2590 2603 2622 2659 2673 2679 2698 2704 2711 2718 2723 2784 2797 2893 2898 2929 2942 2963 2978 2983 3007 3017 3026 3165 3393 3395 NLY 2529 2668 2749 2761 2867 2902 3019 3407 3504 NVR 2211 2216 2410 NWA 0031 0034 0040 0041 0118 0121 0125 0152 0153 0160 0171 0192 0197 0206 0208 0213 0262 0263 0272 0273 0281 0282 0297 0298 0306 0307 0318 0319 0329 0339 0340 0355 0358 0360 0367 0372 0380 0381 0387 0388 0399 0408 0410 0417 0418 0766 0778 0786 0801 0807 0818 0830 0832 0846 0903 0907 0911 0923 0962 0964 0981 0988 0996 1011 1037 1058 1062 1191 1230 1249 1324 1325 1346 1392 1414 1434 1453 1456 1483 1498 1501 1520 1535 1543 1549 1567 1570 1582 1633 1641 1646 1659 1662 1683 1685 1693 1709 1714 1738 1746 1752 1766 1774 1789 1796 1800 1810 1812 1815 1820 1824 1828 1833 1839 1875 1897 1923 1959 1976 1982 1990 2002 2013 2026 2039 2047 2082 2087 2092 2095 OHY 0364 0385 0663 0668 0787 0954 1004 1421

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 8 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN ORF 2566 P2G 0302 PAL 0706 0745 0936 1171 1210 2162 2183 2878 2925 2954 3087 3107 3108 3187 3205 3273 3310 3455 3553 3579 PTI 1727 1880 QAF 0927 1335 QTR 0928 1487 1566 1648 1656 1773 1895 1928 1957 2097 2107 2121 2138 2161 2288 2341 3071 3274 3369 3397 R1T 1908 RBA 2023 2032 2135 2139 RJA 0675 0761 2598 2649 2692 2730 2793 2953 3428 3458 3522 RKM 1599 RNV 0229 0913 2277 2362 3492 ROT 2931 2955 3220 3225 RYW 0569 RZO 0795 2390 2425 SAA 2268 2281 2308 2326 2355 2375 2379 2418 2438 2469 2501 SAS 1587 1619 1642 1675 1798 1807 1817 1848 2850 2888 3231 3292 SBI 1071 1078 1090 1091 1126 1129 1131 1164 1819 1870 2028 2369 2373 2464 2474 2618 2641 3446 3473 3490 3494 SDM 0427 1149 1167 1890 SFJ 2620 2658 2695 3025 SHJ 0910 SHY 0138 0811 SKB 1853 1963 2773 2811 3331 SLK 0899 0969 1074 1098 1228 1422 1561 1698 2058 2252 2517 2568 2775 3104 3570 SOR 2675 2706 3073 SSV 1605 1780 SVR 0140 0157 0203 0220 0735 SVW 2921 3100 3133 3542 SWR 0520 0522 0541 0545 0553 0559 0562 0574 0577 0578 0585 0596 0603 0612 0621 0635 0643 0664 0673 0681 0701 0703 0713 0727 0734 0782 0987 1018 1144 1951 2024 2134 SYR 0886 0918 1032 1076 1085 1117 TAE 0657 2014 TAI 0741 1066 1113 1300 1334 1353 1400 1523 1624 1676 1730 1934 1952 2084 2102 2118 2282 2301 2339 2434 2444 2553 2610 2687 2791 2862 2917 3042 3057 3103 3113 3248 3276 3378 3418 3510 3538 3577 3581

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 9 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN TAM 0243 0250 0251 0334 0335 0440 0453 0758 0976 1010 1092 1096 1103 1139 1143 1158 1215 1246 1251 1339 1368 1376 1459 1486 1518 1575 1580 1593 1595 1608 1613 1628 1652 1663 1672 1692 1703 1717 1757 1771 1775 1801 1802 1804 1818 1825 1826 1831 1832 1835 1837 1855 1857 1888 2044 2372 2393 2417 2445 2513 2602 2661 2734 2737 2740 2783 2838 2859 2896 2904 2924 3002 3032 3035 3037 3047 3058 3111 3156 3180 3211 3222 3229 3240 3266 3278 3284 3294 3313 3325 3391 3540 3565 3588 3594 3595 TAP 0185 0191 0234 0395 0629 0750 0755 0763 0790 0821 0837 0870 0906 0917 0933 0945 0960 0979 0982 1034 1100 1106 1120 1127 1165 1181 1206 1231 1307 1399 1667 1713 1756 1765 1799 1816 2178 TAR 0119 0123 0124 0205 0370 0390 0402 0511 0869 0880 0958 0975 1187 1479 1700 3096 TAS 0667 0739 0743 1054 TCW 0343 0425 0653 1306 1787 1929 1975 TCX 0193 0424 0429 0437 0476 0677 0716 1238 1250 1411 1942 1961 1965 1972 2003 TGW 2195 2204 2331 2340 2724 2728 2906 2952 2982 3275 3296 3332 THY 0806 0810 1002 1219 1233 1856 1909 1996 2060 2609 2626 2738 2739 2823 2868 2928 2934 2941 2984 2999 3010 3015 3126 3185 3207 3208 3239 3257 3283 3303 3341 3350 3405 3429 3525 3539 3558 3567 TNA 0538 0555 0606 0731 0746 0791 0822 TWJ 2550 UAL 0435 0439 0442 0450 0452 0454 0456 0457 0462 0463 0464 0465 0470 0472 0475 0479 0483 0485 0487 0489 0500 0503 0504 0506 0508 0510 0512 0523 0539 0568 0571 0587 0589 0592 0613 0638 0655 0678 0683 0686 0690 0702 0748 0751 0759 0780 0783 0788 0798 0804 0820 0824 0825 0826 0834 0836 0842 0843 0847 0850 0851 0858 0862 0865 0867 0871 0873 0882 0893 0898 0944 0948 0952 0955 0965 0980 0989 1001 1022 1031 1104 1105 1128 1146 1163 1192 1211 1243 1248 1266 1272 1282 1290 1291 1321 1341 1343 1359 1363 1401 1409 1420 1426 1427 1432 1435 1460 1469 1474 1475 1477 1495 1507 1508 1514 1522 1533 1538 1545 1555 1559 1569 1573 1581 1584 1585 1586 1600 1609 1617 1620 1627 1647 1649 1653 1664 1669 1671 1680 1688 1702 1728 1731 1737 1741 1755 1821 1840 1842 1845 1847 1865 UDC 0085 0230 0733 0747 UEA 0946 0949 1263 1751 UKN 3260

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 10 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

OPERATOR MSN USA 0052 0053 0054 0055 0064 0065 0066 0067 0076 0077 0081 0082 0091 0098 0099 0317 0448 0527 0543 0565 0584 0661 0762 0770 0803 0844 0856 0861 0863 0866 0868 0885 0889 0890 0896 0904 0922 0924 0929 0931 0953 0972 0997 1003 1019 1033 1038 1040 1043 1044 1046 1049 1050 1051 1052 1055 1056 1061 1064 1065 1069 1075 1079 1083 1088 1095 1097 1109 1110 1111 1112 1114 1116 1122 1134 1135 1141 1148 1166 1178 1182 1196 1203 1205 1223 1224 1234 1245 1254 1264 1265 1268 1269 1274 1275 1281 1284 1287 1289 1294 1297 1298 1301 1310 1311 1313 1314 1315 1317 1319 1323 1326 1328 1331 1340 1342 1348 1350 1354 1358 1360 1369 1371 1373 1375 1378 1382 1389 1391 1393 1395 1397 1403 1406 1410 1412 1417 1419 1425 1431 1436 1442 1447 1455 1462 1463 1465 1472 1481 1490 1492 1496 1499 1517 1519 1521 1525 1527 1531 1534 1536 1539 1547 1552 1563 1565 1576 1621 1643 1644 1651 1666 1701 1704 1710 1724 1764 1792 1844 1935 2193 2302 2312 2359 2405 2422 2430 2458 2482 2570 2595 2613 2615 2630 2669 2690 3584 3629 3633 VBW 0588 VIM 2108 2732 2804 3125 VKG 1881 1887 1889 1921 1932 1954 1960 VLE 0189 0190 3138 3161 VLG 1413 2114 2207 2227 2388 2407 2540 2596 2623 2785 2794 2798 2962 2988 3040 3083 3095 3152 3293 3321 3529 VLK 0528 0714 0730 VLU 2156 2164 VOI 1140 1159 2657 2666 2771 2780 2979 2997 3045 3069 3077 3175 3253 3279 3450 3463 3491 3590 VRD 2616 2674 2778 2800 2830 2851 2993 3101 3135 3155 3181 3204 3230 3324 3347 3359 3398 3417 3445 3460 3465 3503 VUN 1017 WGT 1212 WHT 1256 WVL 2571 WZZ 0839 0892 1635 1834 1892 1902 2688 2752 3127 3143 3166 3177 3354 3384 3409 3430 3531 3562 XLF 0311 0973 1564

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 11 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

(4) Configuration by MSN
MSN CONFIGURATION 0002 0003 0004 0005 0006 0007 0008 0010 0012 0013 0014 0016 0017 0019 0020 0021 0029 0031 0033 0034 0035 0036 0037 0038 0039 0040 0041 0042 0043 0044 0052 0053 0054 0055 0059 0061 0062 0063 0064 0065 0066 0067 0068 0069 0070 0071 0072 0073 0076 0077 0078 0081 0082 0083 0084 0085 0086 0087 0088 0091 0093 0094 0098 0099 0100 0101 0102 0103 0104 0108 0109 0110 0111 0112 0113 0114 0115 0116 0117 0118 0119 0120 0121 0122 0123 0124 0125 0126 0127 0128 0129 0130 0131 0132 0133 0134 0135 0136 0137 0138 0139 0140 0141 0142 0143 0144 0145 0146 0147 0148 0149 0150 0151 0152 0153 0154 0155 0156 0157 0158 0159 0160 0161 0162 0163 0164 0165 0166 0167 0168 0169 0170 0171 0172 0173 0174 0175 0176 0177 0178 0179 0180 0181 0182 0183 0184 0185 0186 0187 0188 0189 0190 0191 0192 0193 0194 0195 0196 0197 0198 0199 0200 0201 0202 0203 0204 0205 0206 0207 0208 0209 0210 0211 0212 0213 0214 0215 0216 0217 0218 0219 0220 0221 0222 0223 0224 0225 0226 0227 0228 0229 0230 0231 0232 0233 0234 0235 0236 0237 0239 0240 0241 0242 0243 0244 0245 0246 0247 0248 0249 0250 0251 0252 0253 0254 0255 0256 0257 0258 0259 0260 0261 0262 0263 0264 0265 0266 0267 0268 0269 0270 0272 0273 0274 0275 0276 0277 0278 0279 0280 0281 0282 0283 0284 0285 0286 0287 0288 0289 0290 0291 0292 0293 0294 0295 0296 0297 0298 0299 0300 0301 0302 0303 0304 0305 0306 0307 0308 0309 0310 0311 0312 0313 0314 0315 0316 0317 0318 0319 0320 0321 0322 0323 0324 0325 0326 0327 0328 0329 0330 0331 0332 0333 0334 0335 0336 0337 0338 0339 0340 0341 0342 0343 0344 0345 0346 0347 0348 0349 0350 0351 0352 0353 0354 0355 0356 0357 0358 0359 0360 0361 0362 0363 0364 0365 0366 0367 0368 0369 0370 0371 0372 0373 0375 0376 0377 0378 0379 0380 0381 0382 0383 0384 0385 0386 0387 0388 0389 0390 0391 0392 0393 0394 0395 0399 0400 0401 0402 0403 0404 0405 0406 0407 0408 0409 0410 0411 0412 0413 0414 0415 0417 0418 0419 0420 0421 0422 0424 0425 0426 0427 0428 0429 0430 0434 0435 0436 0437 0438 0439 0440 0441 0442 0443 0444 0445 0446 0447 0448 0449 0450 0452 0453 0454 0455 0456 0457 0458 0459 0460 0461 0462 0463 0464 0465 0466 0467 0468 0470 0471 0472 0473 0474 0475 0476 0477 0478 0479 0480 0482 0483 0484 0485 0487 0488 0489 0491 0493 0494 0495 0496 0497 0498 0500 0501 0502 0503 0504 0505 0506 0507 0508 0509 0510 0511 0512 0513 0514 0515 0516 0517 0518 0519 0520 0521 0522 0523 0524 0525 0526 0527 0528 0529 0530 0531 0532 0533 0534 0535 0537 0538 0539 0540 0541 0542 0543 0544 0545 0546 0548 0549 0550 0551 0552 0553 0554 0555 0556 0557 0558 0559 0560 0561 0562 0563 0564 0565 0566 0567 0568 0569 0570 0571 0572 0573 0574 0575 0576 0577 0578 0579 0580 0581 0582 0583 0584 0585 0586 0587 0588 0589 0590 0591 0592 0593 0594 0595 0596 0597 001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 12 5

Printed in FRANCE ©AIRBUS S.A.S. 2007. All rights reserved.

# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 0598 0599 0600 0601 0603 0604 0605 0606 0607 0608 0609 0610 0611 0612 0613 0614 0615 0616 0617 0618 0619 0620 0621 0622 0623 0624 0625 0626 0627 0628 0629 0630 0631 0633 0634 0635 0636 0637 0638 0639 0640 0641 0642 0643 0644 0645 0646 0647 0648 0649 0650 0651 0652 0653 0654 0655 0656 0657 0658 0659 0660 0661 0662 0663 0664 0665 0666 0667 0668 0669 0670 0671 0672 0673 0674 0675 0676 0677 0678 0679 0680 0681 0682 0683 0684 0685 0686 0687 0688 0689 0690 0691 0692 0693 0694 0695 0696 0697 0698 0699 0700 0701 0702 0703 0704 0705 0706 0707 0709 0710 0711 0712 0713 0714 0715 0716 0717 0718 0719 0720 0721 0722 0723 0724 0725 0726 0727 0728 0729 0730 0731 0732 0733 0734 0735 0736 0737 0738 0739 0740 0741 0742 0743 0744 0745 0746 0747 0748 0749 0750 0751 0752 0754 0755 0756 0757 0758 0759 0760 0761 0762 0763 0764 0765 0766 0767 0768 0769 0770 0771 0772 0773 0774 0775 0776 0777 0778 0779 0780 0781 0782 0783 0784 0785 0786 0787 0788 0790 0791 0792 0793 0794 0795 0796 0797 0798 0799 0800 0801 0802 0803 0804 0805 0806 0807 0808 0809 0810 0811 0812 0813 0814 0815 0816 0817 0818 0819 0820 0821 0822 0823 0824 0825 0826 0827 0828 0829 0830 0831 0832 0833 0834 0835 0836 0837 0838 0839 0840 0841 0842 0843 0844 0845 0846 0847 0848 0849 0850 0851 0852 0853 0854 0855 0856 0857 0858 0859 0860 0861 0862 0863 0864 0865 0866 0867 0868 0869 0870 0871 0872 0873 0874 0875 0876 0877 0878 0879 0880 0881 0882 0883 0884 0885 0886 0887 0888 0889 0890 0891 0892 0893 0894 0895 0896 0897 0898 0899 0900 0901 0902 0903 0904 0905 0906 0907 0908 0909 0910 0911 0912 0913 0914 0915 0916 0917 0918 0919 0920 0921 0922 0923 0924 0925 0926 0927 0928 0929 0930 0931 0932 0933 0934 0935 0936 0937 0938 0939 0940 0941 0942 0943 0944 0945 0946 0947 0948 0949 0950 0951 0952 0953 0954 0955 0956 0957 0958 0959 0960 0961 0962 0963 0964 0965 0966 0967 0968 0969 0970 0971 0972 0973 0974 0975 0976 0977 0978 0979 0980 0981 0982 0983 0984 0985 0986 0987 0988 0989 0990 0991 0992 0993 0994 0995 0996 0997 0998 0999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 13 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 14 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1814 1815 1816 1817 1818 1819 1820 1821 1823 1824 1825 1826 1827 1828 1829 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1986 1987 1988 1989 1990 1991 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 15 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 001

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 16 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 001

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# C @A318/A319/A320/A321
SERVICE BULLETIN

MSN CONFIGURATION 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3592 3593 3594 3595 3596 3597 3600 3602 3604 3608 3611 3612 3614 3615 3617 3619 3620 3623 3625 3629 3631 3633 3634 001

(5) Configuration definition **CONF 001 Config. 01 is valid for all the aircraft given in the effectivity of this Service Bulletin as a standard configuration. (6) Material Effectivity
MATERIAL QTY PER A/C INST DISP Component COMPA01 1 B. CONCURRENT REQUIREMENTS Accomplishment of this Service Bulletin requires the prior or simultaneous accomplishment of the following Service Bulletin or the equivalent production modification : Service Bulletin No. A320-32-1305 Mod. No. 36368P9644 A320-32-1335 33376P8076 36368P9644 36853P9655 A320-32-1343 38889P10889 NOTE: Accomplish either Service Bulletin No. A320-32-1305 or A320-32-1335 or A320-32-1343 (refer to Appendix 1 ) as per effectivity specified in these Service Bulletins. C. REASON (1) History Since mid 2004, some cases of nose landing gear shock absorber anti-rotation devices rupture have been reported to AIRBUS. A sequence of the steering pre-land test was proved to be a contributing factor to these events. In one case, it was associated with a
DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 18 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

steering loss occurring after nose landing gear locking down. Consequently the nose wheels were turned at 90 degrees before landing. In the recent years, some operators have reported cases of braking efficiency degradation during landing in normal braking mode with the autobrake mode selected beforehand. It was found that for some main landing gear tyres, the actual rolling radius was smaller than the Braking and Steering Control Unit (BSCU) datum, affecting the braking efficiency at low speed. This Service Bulletin is issued to improve operation of the braking and steering systems on aircraft equipped with Enhanced Maintainability and Manufacturing (EMM) BSCU : - standard L4-8 (PN E21327004) (installed by Mod. No. 35216P8866 or Service Bulletin No. A320-32-1305 (Mod. No. 36368P9644) or Service Bulletin No. A320-32-1343 (Mod. No. 38889P10889), - standard L4-9 (PN E21327005) (installed by Mod. No. 36853P9655 (Service Bulletin No. A320-32-1335). (2) Objective/Action This Service Bulletin is published to advise all operators of A318, A319, A320 and A321 aircraft, equipped with EMM BSCU of the issue of MESSIER-BUGATTI Service Bulletin No. E21327-32-3302. This Service Bulletin recommends incorporation of software changes by modifying the On Board Replaceable Modules (OBRMs) of the BSCU. This BSCU will be modified and re-identified with PN E21327006. This new version is obtained either by replacement of the OBRMs or replacement of the BSCU. (3) Advantages Accomplishment of this Service Bulletin will allow to improve the reliability of the Braking and Steering Control System (BSCS) and the braking performance of A321 aircraft equipped with MESSIER-GOODRICH brakes. Accomplishment of this Service Bulletin cancels the inspection requirements of Service Bulletin No. A320-32-1318. (4) Operational/Maintenance Consequences When BSCU standard L4-9 is replaced by BSCU standard L4-9B, restrictions cancelled by this modification is OEB No. 194. In addition, OEB No. 175 and 176 (OEB associated to Flight Manual (FM) Temporary Revision (TR) 4.02.00/33 and 4.02.00/34), associated to nose wheel steering pre-land test (pre-EMM BSCS = pre-Mod No. 26925) are also cancelled by this modification. When BSCU standard L4-8 is replaced by BSCU standard L4-9B, restrictions cancelled by this modification are OEB No. 175 and 176 (OEB associated to FM TR 4.02.00/33 and 4.02.00/34) on aircraft fitted with pre-EMM BSCS (pre-Mod. 26925).

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 19 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

When BSCU standard L4-8 is replaced by BSCU standard L4-9B, Flight Crew Operating Manual (FCOM) TR 924 will be deleted by the introduction of the EMM BSCU standard L4-9B for aircraft fitted with 49x17-20 tires. D. DESCRIPTION NOTE: To accomplish this Service Bulletin, you have two possibilities : - either you modify the BSCU by replacement or reprogramming of their OBRMs as described in SUBTASK 321350-831-002 001 In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG). , - or you replace it as described inSUBTASK 321350-960-001 001 In the FWD electronics rack 90VU, replace the BSCU (FIN 10GG). . To accomplish this Service Bulletin it is necessary to : Task 321350-831-801-001: MODIFICATION (1) In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG). (2) In the FWD electronics rack 90VU, replace the BSCU (FIN 10GG). E. COMPLIANCE (1) Classification RECOMMENDED (2) Accomplishment Timescale Accomplishment of this Service Bulletin is recommended at the earliest opportunity where manpower and facilities are available. F. APPROVAL Approved under EASA Design Organisation Approval No. EASA21J.031. If an aircraft listed in the effectivity has a modification or repair embodied that is not of AIRBUS origin, and which affects the content of this Service Bulletin, the operator is responsible for obtaining approval by its airworthiness authority for any adaptation necessary before incorporation of the Service Bulletin. G. MANPOWER The manpower estimates given in this Service Bulletin are based on the direct labor cost to do the work. These estimates assume that the work will be done by experienced personnel, and may need to be revised upwards to suit operator’s circumstances. The estimates do not include the time to prepare, plan or inspect the work. Manufacture and procurement of parts and tools, drying times for paints, sealants, etc., and general administration work are also not included. Task 321350-831-801-001: MODIFICATION Get Access 0.5
DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 20 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

Task 321350-831-801-001: MODIFICATION On Aircraft In the FWD electronics rack 90VU, replace the BSCU (FIN 10GG). 1.5
Tests 0.5 Close-Up 0.5 TOTAL MANHOURS 3.0 ELAPSED TIME (HOURS) 3.0 Additional manhours related to Vendor SB; refer to: In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG). (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302) H. WEIGHT AND BALANCE Not Changed I. ELECTRICAL LOAD DATA Not Changed J. REFERENCES

Aircraft Maintenance Manual (AMM) 22-97-00 24-50-00 31-51-00 32-42-00 32-42-34 32-46-00 32-51-00 34-10-00 Common Support Data Dictionary (CSDD) ATA Common Support Data Dictionary (CSDD), Chapter 2 Elec. Std. Practices Manual (ESPM) 20-55-00 Service Bulletin (SB) A320-32-1305 A320-32-1335 A320-32-1343 Vendor Service Bulletin (VSB) MESSIER-BUGATTI Service Bulletin No. E21327-32-3302 Service Bulletin No. A320-32-1318 K. PUBLICATION AFFECTED

Aircraft Maintenance Manual (AMM) 32-42-00 32-46-00 Aircraft Wiring List (AWL) Flight Crew Operating Manual (FCOM) VOL. 3 Flight Manual (FM) TR 4.02.00/33 TR 4.02.00/34 Illustrated Parts Catalog (IPC) 32-42-08 32-42-34 Master Minimum Equipment List (MMEL) Trouble Shooting Manual (TSM) 32-42-00 32-51-00 This Service Bulletin has an operational impact. Please inform AIRBUS, at least four weeks in advance, in case you need your operational documentation to be amended by an intermediate revision prior to Service Bulletin embodiment. For this purpose, please request

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 21 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

the intermediate revision by fax, telex or mail to: SEDCC, AIRBUS - Customer Services Directorate Fax No. : 33 (0) 5 61 93 28 06 Sita No. : TLSBP7X E-mail : sb.reporting@airbus.com These amendments will be confirmed by the next normal revision of operational documentation, once your Service Bulletin accomplishment report has been sent, as usual, to our Customer Services Directorate (SEDCC). L. INTERCHANGEABILITY/MIXABILITY DESCRIPTION OLD PART N ̊ NEW PART N ̊ INT MIXABILITY INST DISP BSCU E21327004 E21327006 01 Not Applicable (1) (2)
BSCU E21327005 E21327006 01 Not Applicable (1) (2)

NOTE (1): For definitions of interchangeability codes in column INT., (Refer to ATA Common Support Data Dictionary (CSDD), Chapter 2). NOTE (2): You must remove one of these PNs in relation with aircraft configuration. M. SPARES BSCU E21327004 BSCU E21327005

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 22 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

2. MATERIAL INFORMATION **CONF ALL A. MATERIAL - PRICE AND AVAILABILITY (1) Procurement Addresses Component COMPA01 This Service Bulletin is the subject of an AIRBUS monitored retrofit campaign. (2) Price and Availability

Component COMPA01 Refer to the vendor Service Bulletin No. E21327-32-3302 for the equipment modification sales terms. B. INDUSTRY SUPPORT INFORMATION For the organisation of this retrofit, operators are kindly requested to contact AIRBUS retrofit management department. AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX France Tel : (33) 5 67 19 06 22 E-mail : monitored.retrofit@airbus.com Fax : (33) 5 61 93 27 45 Modification of parts/equipment is at no charge for the operator until September 30th, 2009. AIRBUS will also credit the man-hours indicated in this Service Bulletin at the Operator’s agreed in-house warranty labor rate for claims received not later than 90 days after completion of the last affected aircraft of your fleet. C. LIST OF COMPONENTS No Kit D. LIST OF MATERIALS - OPERATOR SUPPLIED (1) Consumable Materials None (2) Components Component COMPA01
ITEM NEW PART N ̊ QTY (UM) KEYWORD ITEM OLD PART N ̊ INT INST DISP E21327006 1 BSCU E21327004 01 (1)

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 23 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

ITEM NEW PART N ̊ QTY (UM) KEYWORD ITEM OLD PART N ̊ INT INST DISP E21327005 01 NOTE: For definitions of interchangeability codes in column INT., (Refer to ATA Common Support Data Dictionary (CSDD), Chapter 2). NOTE (2): You must remove one of these PNs in relation with aircraft configuration. NOTE (1): Modification of removed equipment should be negotiated directly with MESSIER-BUGATTI as per instructions given in Service Bulletin No. E21327-32-3302. (3) Equipment None E. PARTS TO BE RE-IDENTIFIED BY OPERATOR (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302) F. TOOLING (1) Tooling - Price and Availability To accomplish this Service Bulletin it is necessary to use the tools defined in Vendor Service Bulletin (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302). (2) Tools None (3) Special Tools None

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 24 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

3. ACCOMPLISHMENT INSTRUCTIONS Task 321350-831-801-001 - MODIFICATION WARNING: MAKE SURE THAT YOU OBEY ALL THE WARNINGS AND THE CAUTIONS INCLUDED IN THE REFERENCED PROCEDURES. CAUTION: ALWAYS OBEY THE PRECAUTIONS THAT FOLLOW TO KEEP ELECTRICAL WIRING IN A SATISFACTORY CONDITION (ELECTRICALLY AND MECHANICALLY SERVICEABLE). WHEN YOU DO MAINTENANCE WORK, REPAIRS OR MODIFICATIONS, ALWAYS KEEP ELECTRICAL WIRING, COMPONENTS AND THE WORK AREA AS CLEAN AS POSSIBLE. TO DO THIS : - PUT PROTECTION, SUCH AS PLASTIC SHEETING, CLOTHS, ETC. AS NECESSARY ON WIRING AND COMPONENTS, - REGULARLY REMOVE ALL SHAVINGS, UNWANTED MATERIAL AND OTHER CONTAMINATION. THESE PRECAUTIONS WILL DECREASE THE RISK OF CONTAMINATION AND DAMAGE TO THE ELECTRICAL WIRING INSTALLATION. IF THERE IS CONTAMINATION, (Refer to ESPM 20-55-00). CAUTION: THE ELECTROSTATIC DISCHARGE PRECAUTIONS DESCRIBED IN ARINC REPORT 606 ARE RECOMMENDED. Task Associated Data Zone 120 Modified FIN 10GG Access Door 811 Manpower TOTAL MANHOURS 3.0 ELAPSED TIME (HOURS) 3.0 Additional manhours related to Vendor SB; refer to: (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302)

A. GENERAL (1) Subtask 321350-839-001-001 - ADMINISTRATIVE Manpower Resources Skills NON SPECIFIC Write in the applicable aircraft records that you have done all the work given in this Service Bulletin.

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 25 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN

B. PREPARATION (1) Subtask 321350-010-001-001 - Get access to the BSCU (FIN 10GG).
Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811 Manpower Resources Skills NON SPECIFIC
References Aircraft Maintenance Manual (AMM) 32-42-34, Page Block 401 (a) Do the preparation procedure as specified in the removal/installation of the BSCU (Refer to AMM 32-42-34, Page Block 401).

C. PROCEDURE NOTE: To accomplish this Service Bulletin, you have two possibilities : - either you modify the BSCU by replacement or reprogramming of their OBRMs as described in SUBTASK 321350-831-002 001 In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG). below, - or you replace it as described in SUBTASK 321350-960-001 001 In the FWD electronics rack 90VU, replace the BSCU (FIN 10GG). below. NOTE: For the modification of the BSCU by replacement or reprogramming of their OBRMs, refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302. (1) Subtask 321350-831-002-001 - In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG).
Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811
References Aircraft Maintenance Manual (AMM) 24-50-00, Page Block 001 32-46-00, Page Block 501 Vendor Service Bulletin (VSB) MESSIER-BUGATTI E21327-32-3302 (a) Do the Built-In Test Equipment (BITE) test of the BSCU (Refer to AMM 32-46-00, Page Block 501).

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 26 5

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(b) On the center pedestal, on the Multipurpose Control and Display Unit (MCDU), do the BITE test of the BSCU-LRU IDENTIFICATION (Refer to AMM 32-46-00, Page Block 501) :
1 make sure that these circuit breakers are closed : PANEL DESIGNATION FIN LOCATION INST DISP 121VU PTR/SPLY 6TW See NOTE (01) 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG See NOTE (01)
121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG See NOTE (01) 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG See NOTE (01)
121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG See NOTE (01)

NOTE: For the circuit breakers locations, (Refer to AMM 24-50-00, Page Block 001). NOTE: On the BSCU SYS 1/LRU IDENTIFICATION page : - make sure that the PN of the BSCU is : E21327004 or E21327005, - print the BSCU SYS 1/LRU IDENTIFICATION page (if the printer is not available, a visual check is acceptable).
2 On the center pedestal, on the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view. (c) Open, safety and tag the following circuits breakers :
PANEL DESIGNATION FIN LOCATION INST DISP 121VU HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY 4GG See NOTE (01)
121VU HYDRAULIC/BRAKING AND STEERING/SYS2/CTL 3GG See NOTE (01) 121VU HYDRAULIC/BRAKING AND STEERING/SYS1/CTL 1GG See NOTE (01)
121VU HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY 2GG See NOTE (01)

NOTE: For the circuit breakers locations, (Refer to AMM 24-50-00, Page Block 001). (d) In the FWD electronics rack 90VU, modify the BSCU (FIN 10GG) by replacement or reprogramming of their OBRMs. (Refer to MESSIER-BUGATTI Service Bulletin No. E21327-32-3302)

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 27 5

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(2) Subtask 321350-960-001-001 - In the FWD electronics rack 90VU, replace the BSCU (FIN 10GG).
Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811 Manpower Resources Manhours 1.5 Minimum number of person 1 Subtask elapsed time 1.5 Skills NON SPECIFIC Material necessary to do the job Component COMPA01 ITEM NEW PART N ̊ QTY (UM) KEYWORD E21327006 1 BSCU
References Aircraft Maintenance Manual (AMM) 32-42-34, Page Block 401 (a) In the FWD electronics rack 90VU, replace the BSCU BSCU (FIN 10GG). (Refer to AMM 32-42-34, Page Block 401)
1 Remove : FIN 10GG 1 BSCU E21327004

or FIN 10GG 1 BSCU E21327005 2 Install : FIN 10GG 1 BSCU E21327006

D. TEST (1) Subtask 321350-740-001-001 - Tests after the replacement or the reprogramming of the OBRMs. Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 28 5

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Manpower Resources Skills NON SPECIFIC
References Aircraft Maintenance Manual (AMM) 22-97-00, Page Block 501 24-50-00, Page Block 001 31-51-00, Page Block 301 32-42-00, Page Block 501 32-46-00, Page Block 501 32-51-00, Page Block 501 34-10-00, Page Block 201 (a) Do the BITE test of the BSCU (Refer to AMM 32-46-00, Page Block 501). NOTE: If the airline operates the aircraft in Category (CAT) 3 conditions, do the LAND CAT 3 capability test : - make sure that the CAT 3 DUAL INOP indication is not shown on the lower Electronic Centralized Aircraft Monitoring (ECAM) Display Unit (DU) with the FADEC GND PWR 1 and 2 pushbutton switches (maintenance panel 50VU) pushed (ON legends on) and the 3 Inertial References (IRs) aligned (Refer to AMM 34-10-00, Page Block 201), - do the LAND TEST (CAT 3 CAPABILITY) (Refer to AMM 22-97-00, Page Block 501). NOTE: As an alternative procedure, you can do this test without the Centralized Fault Display System (CFDS) (Refer to AMM 32-42-00, Page Block 501) and (Refer to AMM 32-51-00, Page Block 501). (b) On the center pedestal, on the MCDU, do the BITE test of the BSCU-LRU IDENTIFICATION (Refer to AMM 32-46-00, Page Block 501) :
1 make sure that this circuit breaker is closed : PANEL DESIGNATION FIN LOCATION INST DISP 121VU PTR/SPLY 6TW See NOTE (01) NOTE: For the circuit breaker location, (Refer to AMM 24-50-00, Page Block 001). NOTE: On the BSCU SYS 1/LRU IDENTIFICATION page : - make sure that the new PN of the BSCU is : E21327006, - print the BSCU SYS 1/LRU IDENTIFICATION page (if the printer is not available, a visual check is acceptable). (c) On the center pedestal, on the MCDU, push the line key adjacent to the RETURN indication until the CFDS menu page comes into view.

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 29 5

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(d) On aircraft equipped with OEB REMINDER function, if the ECAM warning has been flagged as described in OEB No. 175/3 and/or OEB No. 176/3 and/or OEB No. 194/1, the following codes should be deleted from the Flight Warning Computer (FWC) database : CODE WARN STS 32/00/100/038 YES NO 32/00/110/040 YES NO 32/00/040/043 YES NO (Refer to AMM 31-51-00, Page Block 301) "Delete OEB REMINDER information from FWCs using MCDUs". (2) Subtask 321350-710-001-001 - Test after the replacement of the BSCU (FIN 10GG).
Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811 Manpower Resources Skills NON SPECIFIC
References Aircraft Maintenance Manual (AMM) 31-51-00, Page Block 301 32-42-34, Page Block 401 (a) Do the tests after removal/installation of the BSCU (FIN 10GG) (Refer to AMM 32-42-34, Page Block 401). (b) On aircraft equipped with OEB REMINDER function, if the ECAM warning has been flagged as described in OEB No. 175/3 and/or OEB No. 176/3 and/or OEB No. 194/1, the following codes should be deleted from the Flight Warning Computer (FWC) database : CODE WARN STS 32/00/100/038 YES NO 32/00/110/040 YES NO 32/00/040/043 YES NO (Refer to AMM 31-51-00, Page Block 301) "Delete OEB REMINDER information from FWCs using MCDUs".

E. CLOSE-UP (1) Subtask 321350-942-001-001 - CLOSE-UP Work Zones and Access Panels Zone Access/Work location 120 Access to open Door 811

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 30 5

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Manpower Resources Skills NON SPECIFIC
References Aircraft Maintenance Manual (AMM) 32-42-34, Page Block 401 (a) Do the close-up procedure as specified in the removal/installation of the BSCU (FIN 10GG) (Refer to AMM 32-42-34, Page Block 401). (b) Restore the systems and the aircraft to normal operating condition.

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 31 5

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# C @A318/A319/A320/A321
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This Page Intentionally Left Blank

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 32 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN Appendix 1

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 1 5

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SERVICE BULLETIN Appendix 1
**CONF ALL
**CONF ALL

ACTION BSCU L4−8 MOD. 35216 P8866 (SERVICE BULLETIN 32−1305)

BSCU L4−9 MOD. 36853 P9655 (SERVICE BULLETIN 32−1335) BSCU L4−8 MOD. 38889 P10889 (SERVICE BULLETIN 32−1343)

BSCU L4−9B MOD. 38973 P10891 (SERVICE BULLETIN 32−1350) ANTI MOD

N_SB_321350_5_APAA_01_01 Figure A-FAPAA - Sheet 01 Flow Chart
DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 2 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN REPORTING SHEET 

### TITLE: LANDING GEAR - NORMAL BRAKING - INSTALL BSCU SOFTWARE STD L4.9B (EMM). MODIFICATION No.: 38973P10891 Please complete the appropriate item (A or B): A - SB WILL BE embodied YES/NO (if NO please comment) If YES, aircraft concerned (as per SB effectivity by default) and planned dates (month/year) of embodiment:

B - SB HAS BEEN embodied on aircraft:
Operator comments:

From Airline: Name/Title: Signature: Date: If operational documentation is affected (see Paragraph 1.K of this SB): If information is needed prior to next normal revision or prior to SB embodiment, please indicate required service(s): Either: Modification Operational Impact (MOI), if available YES/NO Or : Intermediate revision YES/NO Important Information: This SB will only be incorporated in your maintenance and operational documentation if this sheet is returned to Airbus and signed by a duly authorised representative. With the next feasible revision, this will result in - Updating of maintenance documentation to show pre and post SB data. - Updating of maintenance and operational documentation to show post SB data after embodiment. If this SB requires previous or simultaneous accomplishment of other SBs, Airbus shall automatically include them in the manual revisions. Refer to SIL 00-037 for detailed information. Please return this completed sheet to: AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE
Attn: SDC32 Technical Data and Documentation Services FAX: (+33) 5 61 93 28 06 e-mail: sb.reporting@airbus.com or via your Resident Customer Support Office. Alternatively, SB lists via letters or fax are also accepted.

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 1 5

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# C @A318/A319/A320/A321
SERVICE BULLETIN QUALITY PERCEPTION FORM Use this form to tell us what is your perception of the quality of this Service Bulletin. The reported data that you provide us will be used to analyse areas of difficulties and to take corrective action to further improve the quality of our Service Bulletins. We thank you for the time you have taken in completing this form. (Please rate on a scale of 1 to 4, with 4 being the highest score)
- Quality rating of this SB 4 3 2 1 - Quality rating of the Accomplishment Instructions 4 3 2 1 - Quality rating of the Illustrations 4 3 2 1 - Is this SB easy to understand ? Y / N If you have had difficulties in the accomplishment of this SB please quote below the area(s) and give a short description of the issue.
Planning Material Instructions X Effectivity X Kit content X Preparation X Reason X List of Materials Operator Supplied X Mod/Inspection X Manpower X Industry support X Test X References X Re-identification X Close-Up X Publication X Tooling X Illustrations
Comments:

Operator: Date:
Name/Title:
Please return this form to: AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Attn : SEM4 Service Bulletins Management FAX : (33) 5 61 93 42 51 Or via your Resident Customer Support Office.

DATE: Jul 31/08 SERVICE BULLETIN No.: A320-32-1350 REVISION No.: 00 - Jul 31/08 Page: 1 5

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