 AIRBUS SAS 2014. All rights reserved. Confidential and proprietary document. 

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ISSUE: JUL 23/14

 

A330 

ALS Part 4 

Ageing Systems Maintenance 

(ASM) 

- 

Variation 4.2 
AIRWORTHINESS LIMITATIONS SECTION 

ISSUE: JUL 23/14 ALS PART 4 VARIATION 4.2 PAGE: 1/4

6_v1 

© AIRBUS SAS 2014. All rights reserved. Confidential and proprietary document. 

The ALS Part 4 is approved and Variations must also be approved. 

The present Variation is approved by European Aviation Safety Agency (EASA). 

APPROVAL REFERENCES 

A330 ALS Part 4: 

REVISION NUMBER APPROVAL 

REFERENCE APPROVAL DATE

04 10046192 AUG 27/13 

VARIATION: 

This Variation is covered by the Certification Document 00G050A134C/C01: 

VARIATION 

NUMBER 

ISSUE 

NUMBER AFFECTED SECTIONS APPROVAL REFERENCE APPROVAL DATE

4.2 01 4-2-1 

4-3-1 10049982 JUL 23/14 

REASON 

This Variation aims at introducing new/revised airworthiness limitations for ATA 27, ATA 32 and 

ATA 35. 

APPLICABILITY 

This Variation applies to the following aircraft series, models and WV series: 

AIRCRAFT 

SERIES AIRCRAFT MODELS WV 

A330-200 

A330-201 WV020 series, WV050 series, WV060 series 

A330-202 WV020 series, WV050 series, WV060 series 

A330-203 WV020 series, WV050 series, WV060 series 

A330-223 WV020 series, WV050 series, WV060 series 

A330-243 WV020 series, WV050 series, WV060 series 

 
AIRWORTHINESS LIMITATIONS SECTION 

ISSUE: JUL 23/14 ALS PART 4 VARIATION 4.2 PAGE: 2/4

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© AIRBUS SAS 2014. All rights reserved. Confidential and proprietary document. 

AIRCRAFT 

SERIES AIRCRAFT MODELS WV 

A330-200F A330-223F WV000 series 

A330-243F WV000 series 

A330-300 

A330-301 WV000 series, WV010 series, WV050 series 

A330-302 WV050 series 

A330-303 WV050 series 

A330-321 WV000 series, WV010 series 

A330-322 WV000 series, WV010 series 

A330-323 WV020 series, WV050 series 

A330-341 WV000 series, WV010 series 

A330-342 WV000 series, WV010 series, WV020 series, 

WV050 series 

A330-343 WV020 series, WV050 series 

COMPLIANCE 

For the A330-200 or A330-200F or A330-300 aircraft fitted with PNR 47172-530, the following 

task shall be introduced into the Operator’s maintenance program according to the special 

compliance time detailed hereunder: 

ITEM SPECIAL COMPLIANCE 

TIME APPLICABILITY 

274400-00003-2-E 31-Aug-2015 at the latest 

A330-200 or A330-200F or 

A330-300 fitted with THSA 

PNR 47172-530 

Other airworthiness limitations provided in this Variation shall be introduced into the 

maintenance program at the Operator’s convenience. 

VALIDITY 

Airworthiness limitations stated in this Variation may be negated when airworthiness limitation 

changes are published in (a) Variation(s) or a Revision subsequent to the approval date of this 

Variation. 

In such case, the validity of this Variation is suspended. 

All other airworthiness limitations given in the A330 ALS Part 4 Revision 04 and other current 

Variations remain applicable. 

Airworthiness limitations stated in this Variation will be published in the next scheduled 

Revision. 
AIRWORTHINESS LIMITATIONS SECTION 

ISSUE: JUL 23/14 ALS PART 4 VARIATION 4.2 

3027 

© AIRBUS SAS 2014. All rights reserved. Confidential and proprietary document. 

DESCRIPTION The EASA approves the following changes: ALS Sub-part 4-2-1 SYSTEMS LIFE-LIMITED COMPONENTS/LIFE LIMITS 

Note: Explanations on the applicability system are provided in the A330 ALS sub-part 4-0 paragraph 3. 

 Explanation notes are located under the 

assy title. 

LIFE LIMITS 

(Whichever occurs first) 

LIFE LIMITS APPLICABILIT

A330-2xxF A330-2xx A330-30x 

 Nomenclature Part Number FH FC Cal. WV00x WV02x WV05x WV06x WV00x WV01x WV05x  ATA 27-84 LIFT AUGMENTING - SLATS HYDRAULIC ACTUATION AND POWER TRANSMISSION (FIG. 09)  (1) Comply with these requirements no later than 31-Oct-2014. R T-Gearbox (TGBx) 921A0000-01 (1) N/A 16000 N/A X X X X X 

Note: Explanations on the applicability system are provided in the A330 ALS sub-part 4-0 paragraph 3. Explanation notes are located under the assy title. 

LIFE LIMITS 

(Whichever occurs first) 

LIFE LIMITS APPLICABILIT

A330-2xxF A330-2xx A330-30x 

 Nomenclature Part Number FH LDG Cal. WV00x WV02x WV05x WV06x WV00x WV01x WV05x  ATA 32-11-00 MAIN LANDING GEAR (FIG. 11 to 13 & 16 to 17)  RETRACTION ACTUATOR (FIG. 11 & 16) R Retraction actuator 

cylinder 

114256310 N/A 24500 N/A X X X X 

R 114256320 N/A 24500 N/A X X X X 
AIRWORTHINESS LIMITATIONS SECTION 

ISSUE: JUL 23/14 ALS PART 4 VARIATION 4.2 

3027 

© AIRBUS SAS 2014. All rights reserved. Confidential and proprietary document. 

Note: Explanations on the applicability system are provided in the A330 ALS sub-part 4-0 paragraph 3. Explanation notes are located under the assy title. 

LIFE LIMITS 

(Whichever occurs first) 

LIFE LIMITS APPLICABILIT

A330-2xxF A330-2xx A330-30x 

 Nomenclature Part Number FH FC Cal. WV00x WV02x WV05x WV06x WV00x WV01x WV05x D ATA 35-13-00 OXYGEN – CREW OXYGEN – CONTROL AND INDICATING (FIG. 18) D Pressure switch CMK80-01 N/A N/A 20Ye X X X X 

ALS Sub-part 4-3-1 SYSTEMS INSTALLATION MAINTENANCE REQUIREMENTS/CONTROLLED AT ASSEMBLY LEVEL 

Note: Explanations on the applicability system are provided in the A330 ALS sub-part 4-0 paragraph 4.

ALS PART 4 MAINTENANCE TASKS LIMITATIONS (Whichever occurs first) REFERENCE L

 Task Number Zone Description Threshold Interval N 274400-00003-2-E 311 

312 

THSA – FIG. 05

Remove complete THSA for No-Back Brake (NBB) carbon disks discard and replace with serviceable THSA unit. Note: The threshold of 12000 FC is the time 

since new for THSA originally manufactured as PNR 47172-530 or the time since retrofit into PNR 47172-530 or the time since new for specific THSA PNR 47172-530 SNR 503, which was retrofitted into PNR 47172-530 without NBB disks replacement. 

12000 FC 

Note 

12000 FC AMM 274451-000-801 

AMM 274451-400-801 

VSB 47172-27-13