1. DESCRIPTION This sheet transmits Revision 02 to Service Bulletin 170-26-0011. This is a complete reissue of the Bulletin. 2. ADDITIONAL ACTION – For aircraft that have complied with the basic issue of this bulletin need an additional action according to PART III of this bulletin. – For aircraft that have complied with the Revision 01 of this bulletin do not need any additional action. 3. RECORD OF REVISION Basic issue: 01/Dec/2011. Revision 01: 19/Jun/2012. Revision 02: 17/Oct/2012. 4. HIGHLIGHTS The topics, affected pages, and a brief description of the content-related changes introduced by this revision are presented below. Revision bars are put in the left margin of each page to show the location of the significant changes. Text displacement and text format changes are not indicated. TOPIC/PAGE DESCRIPTION OF REVISION 1.A. SB EFFECTIVITY / 01 Include aircraft model in group 2. 1.C. REASON/ 02 Added reason for revision 02. 1.F. APPROVAL/ 04 Revised text. 3. ACCOMPLISHMENT INSTRUCTIONS/ 12 thru 15 Include additional CMC messages related to system test and revise text. 

# TRANSMITTAL LETTER

SB No.: 170-26-0011 PAGE: 1 of 1 Copyright © 2012 by Embraer S.A. All rights reserved.FIRE PROTECTION - FIREX DISCHARGE BOTTLE ELECTRICAL CONNECTORS, DISCHARGE HEADS AND HIGH RATE DISCHARGE BOTTLE INSPECTION / RELOCATION 1. PLANNING INFORMATION A. SB EFFECTIVITY Aircraft affected: (1) GROUP 1MODEL SN Embraer 170( ) and 175( ) 17000002, 17000004 thru 17000013, and 17000015 thru 17000318, which have not been modified according to the previous issue of this bulletin. (2) GROUP 2 MODEL SN Embraer 170( ) and 175( ) 17000002, 17000004 thru 17000013, and 17000015 thru 17000318, which have already been modified according to the previous issue of this bulletin. Affected component: None. In-production effectivity: Embraer 170( ) and 175( ) model aircraft SN 17000319 and on, have an equivalent modification factory-incorporated. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 1 of 21 Copyright © 2012 by Embraer S.A. All rights reserved.B. CONCURRENT REQUIREMENTS None. C. REASON (1) HISTORY Investigation has revealed the possibility of the electrical connectors of the Low and High Rate Discharge bottles, the Low and High discharge heads, and also the High Rate Discharge bottle installation being inverted in the fire extinguisher system (FIREX), in the cargo compartment. (2) OBJECTIVE To inspect, relocate and replace, if applicable, the Low and High Rate Discharge bottle electrical connectors and the Low and High Rate Discharge bottles. (3) EXPECTED BENEFITS The actions proposed in this bulletin are to maintain the fire extinguishing system effectiveness by returning, if necessary, the electrical connectors of the FIREX Low and High Rate Discharge bottle installation to its original configuration, and also to replace if necessary the Low and High Rate bottles. (4) REVISION HISTORY None. REVISION 01: This revision has been issued to include to include new conditions related to the inspection mentioned in this Service Bulletin and included PART III as an additional action. REVISION 02: This revision has been issued to include additional CMC messages related to system test mentioned in this Service Bulletin for LDI version and revise text. D. DESCRIPTION This Bulletin is divided into 3 PARTS, as follows: 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 2 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.PART I THE HIGH RATE DISCHARGE BOTTLE CORRECT POSITION, THE PART NUMBER OF DISCHARGE HEADS AND FIREX DISCHARGE BOTTLE CONNECTORS INSPECTION Applicable to: GROUP 1 PART I of this bulletin provides the instructions to inspect the correct position of the High Rate Discharge (HRD) bottle and reinstall it if applicable; inspect the part number of discharge heads in the Low and High Rate Discharge bottle and replace the Rate Discharge bottle if necessary; inspect the identification of the Low and High Rate Discharge bottle electrical connectors of the fire extinguisher system (FIREX), in the cargo compartment and also, perform a system test. To do this, it is necessary to gain access to the middle avionics by removing the related access door 199AL and 147AL. PART II FIREX DISCHARGE BOTTLE CONNECTORS RELOCATION Applicable to: GROUP 1 PART II of this bulletin provides the instructions to relocate the Low and High Rate Discharge bottle electrical connectors of the fire extinguisher system (FIREX), in the cargo compartment and also to perform a system test. To do this, it is necessary to gain access to the middle avionics by removing the related access door 199AL and 147AL. PART III ADDITIONAL ACTION Applicable to: GROUP 2 PART III of this bulletin provides the instructions to inspect the correct position of the High Rate Discharge (HRD) bottle and reinstall if applicable; inspect the part number of discharge heads in the Low and High Rate Discharge bottle and replace the Rate discharge bottle if necessary and also, perform a system test. To do this, it is necessary to gain access to the middle avionics by removing the related access door 199AL and 147AL. NOTE: The modification presented in this bulletin does not affect the Fatigue Critical Structure (FCS). 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 3 Copyright © 2012 by Embraer S.A. All rights reserved.E. COMPLIANCE (1) APPLICABLE TO PART I Embraer recommends that PART I of this bulletin be accomplished within the next 3000 Flight Hour(s) or 15 months, whichever occurs first. (2) APPLICABLE TO PART II Embraer recommends that PART II of this bulletin be accomplished immediately after the accomplishment of PART I. (3) APPLICABLE TO PART III Embraer recommends that PART III of this bulletin be accomplished within the next 3000 Flight Hour(s) or 15 months, whichever occurs first. F. APPROVAL The technical aspects of this Service Bulletin are approved by: Agência Nacional de Aviação Civil (ANAC). NOTE: If any aircraft listed in the SB effectivity has a modification or repair incorporated that is not of EMBRAER origin, and which affects the content of this Service Bulletin, the operator will take full responsibility for obtaining approval by a regulatory agency for any adaptation necessary before the incorporation of this Service Bulletin. G. ESTIMATED MANPOWER This estimate is for direct labor only, performed by experienced personnel, and does not include the time to plan, prepare, or inspect the work. It is assumed that all the tools, parts, and other means are readily available when necessary. This estimate does not include the sealant, paint, or adhesive curing time. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 4 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.(1) APPLICABLE TO PART I – Access opening: 0.5 man-hours. – Inspection: 1.0 man-hour. – Modification: None. – Access closure: 0.5 man-hours. – Test: 0.5 man-hours. NOTE: These estimates do not include the time necessary to remove and reinstall the rate discharge bottle, in this case 1.0 man-hour per bottle should be added. (2) APPLICABLE TO PART II – Access opening: 0.5 man-hours. – Inspection: None. – Modification: 1.0 man-hour. – Access closure: 0.5 man-hours. – Test: 0.5 man-hours. (3) APPLICABLE TO PART III – Access opening: 0.5 man-hours. – Inspection: 0.5 man-hours. – Modification: None. – Access closure: 0.5 man-hours. – Test: 0.5 man-hours. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 5 Copyright © 2012 by Embraer S.A. All rights reserved.NOTE: These estimates do not include the time necessary to remove and reinstall the rate discharge bottle, in this case 1.0 man-hour per bottle should be added. H. WEIGHT AND BALANCE None. I. SOFTWARE ACCOMPLISHMENT SUMMARY None. J. REFERENCES AMM 170/( ) Aircraft Maintenance Manual PART II - 20-00-00 - STANDARD PRACTICES-AIRFRAME. AMM 170/( ) Aircraft Maintenance Manual PART II - 26-23-01 - FIRE PROTECTION. AMM 170/( ) Aircraft Maintenance Manual PART II - 45-45-00 - CENTRAL MAINTENANCE SYSTEM. AMM 170/( ) Aircraft Maintenance Manual PART II - 52-46-00 - DOORS. K. OTHER PUBLICATIONS AFFECTED None. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 6 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.2. MATERIAL INFORMATION A. MATERIAL - PRICE AND AVAILABILITY (1) MATERIAL AVAILABLE FROM EMBRAER None. (2) MATERIAL AVAILABLE FROM OTHER VENDORS None. B. INDUSTRY SUPPORT INFORMATION None. C. MATERIAL NECESSARY FOR EACH AIRCRAFT When applicable, the use of alternative or similar parts in place of the one specified in the kits is allowable, provided that these alternative or similar parts are approved by Embraer as indicated in the related Embraer Technical Publications or through a formal Embraer communication channel. The necessary expendable or consumable parts presented in the AMM Tasks referred to in this bulletin should be procured from the operator’s inventories or ordered as spares. (1) TOP KITS AND KITS None. (2) MATERIAL TO BE PROCURED (a) Parts The parts below should be ordered as spares from C&D ZODIAC. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 7 Copyright © 2012 by Embraer S.A. All rights reserved.NEW PN DESCRIPTION OLD PN QTY DISP/ Notes 474152-1 High Rate Discharge bottle 474152-1 01 7/ [1]

474153-4 Low Rate Discharge bottle 474153-4 01 7/ [1]
1. C&D Zodiac 14 Centerpointe Dr., La Palma, Ca. 90623-1028 USA ATTN: Product Support (EMBRAER PROGRAM) Phone: (714) 523-9977 FAX: (714) 523-0995 (b) Consumable Materials The material below or equivalent, required for the accomplishment of this bulletin, should be procured from the operator’s inventories or from a local supplier. Applicable to PART II NEW PN DESCRIPTION OLD PN QTY DISP MS3367-7-9 Tie-down strap MS3367-7-9 AR 6 DISPOSITION: 6 = Apply as required 7 = Replace with part bearing same PN QUANTITY: AR = As Required D. MATERIAL NECESSARY FOR EACH SPARE None. E. REIDENTIFIED PARTS None. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 8 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.F. TOOLING - PRICE AND AVAILABILITY Whenever required, the necessary tooling presented in the AMM Tasks referred to in this bulletin, should be procured from the operator’s inventories or ordered as spares. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 9 Copyright © 2012 by Embraer S.A. All rights reserved.3. ACCOMPLISHMENT INSTRUCTIONS NOTE: 1) For the purpose of this Service Bulletin, a General Visual Inspection (GVI) is: “A visual examination of an interior or exterior area, installation or assembly to detect obvious damage, failure or irregularity. This level of inspection is made from within touching distance, unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspectionarea. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight or drop-light and may require removal or opening of access panels or doors. Stands, ladders or platforms may be required to gain proximity to the area being checked.” 2) Obey all of the WARNINGS and CAUTIONS included in the referenced manuals and procedures. 3) The Manuals and other documents are referred to by acronyms or using a simplified form. Refer to section 1.J. REFERENCES for a more complete definition. 4) This Service Bulletin effectivity is divided into 03 PARTS. The SB PARTS are featured to allow their independent accomplishment. REFERENCE APPLICATION TABLE SB PART APPLICABLE FIGURES 1 Figure 1 and Figure 3 2 Figure 2 3 Figure 3 The steps below outline the general accomplishment instructions. The detailed sequence is included in the respective figure, when necessary. A. Make sure that the aircraft is safe for maintenance. Refer to AMM TASK 20-00-00-910- 801-A/200 - Aircraft Maintenance Safety Procedures - Standard Procedures. B. On the MCDU open the SSPCs described below, using the sequence in parentheses: (1) CRG AFT HRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (2) CRG AFT HRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 10 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.(3) CRG AFT LRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (4) CRG AFT LRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). (5) CRG FWD HRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (6) CRG FWD HRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). (7) CRG FWD LRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (8) CRG FWD LRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). C. Open access door 199AL. D. Remove access door 147AL. Refer to AMM TASK 52-46-00-000-801-A/400 - Middle Avionics-Compartment Access-Door - Removal. E. PART I (1) Check the correct installation of the High Rate Discharge (HRD) bottle and make sure that the pressure switch is in its correct position, as shown in Figure 3

. (a) If no discrepancy is detected, perform step 3. E. (2) and on. (b) If any discrepancy is detected, the High Rate Discharge (HRD) bottle must be removed and reinstalled in the correct position. Refer to AMM MPP 26-23- 01/401 - CARGO COMPARTMENT FIRE EXTINGUISHING BOTTLE (HIGH RATE AND LOW RATE) - REMOVAL/INSTALLATION. After that, perform step 3. E. (2) and on. (2) Check the Part Number of the Discharge Head of the High Rate Discharge (HRD) and Low Rate Discharge (LRD), according to Figure 3

. (a) If no discrepancy is detected, perform step 3. E. (3) and on. (b) If any discrepancy is detected, the affected Rate Discharge bottle must be replaced with another one with the same part number, immediately. Refer to AMM MPP 26-23-01/401 - CARGO COMPARTMENT FIRE EXTINGUISHING BOTTLE (HIGH RATE AND LOW RATE) - REMOVAL/INSTALLATION. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 11 Copyright © 2012 by Embraer S.A. All rights reserved.NOTE: If is not possible to replace the Rate Discharge bottle immediately, the aircraft can be dispatched according to Master Minimum Equipment List (MMEL). After that, perform step 3. E. (3) and on.(3) Check the identification of the High Rate Discharge (HRD) bottle electrical connectors (P0427, and P1820 or P4191) and the Low Rate Discharge (LRD) bottle electrical connectors (P0428, and P1821 or P4192) of the fire extinguisher system (FIREX), according to Figure 1 , details B, C and D. NOTE: 1) P1820 and P1821 are applicable to aircraft SN 17000001 thru 17000237. 2) P4191 and P4192 are applicable to aircraft SN 17000238 and on. (a) If no discrepancy is detected, perform step 3. E. (4) and on. (b) If any discrepancy is detected, perform PART II of this bulletin. (4) Perform the system test as follows: (a) Disconnect electrical connectors P0428 and P1820 or P4191 and, in the cockpit, using the MFD2, check if the following messages become active on the CMC. Refer to AMM TASK 45-45-00-970-803-A/200 - Maintenance Messages - Check. – MAU3/CRG FWD FIREX LRD EED FAULT. – MAU3/CRG AFT FIREX HRD EED FAULT. OR – MAU3 GIO3/CRG FWD FIREX LRD EED. – MAU3 GIO3/CRG AFT FIREX HRD EED. NOTE: 1) Make sure the message applicable to FWD cargo compartment is related to Low Rate Discharge (LRD) bottle. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 12 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.2) Make sure the message applicable to AFT cargo compartment is related to High Rate Discharge (HRD) bottle. (b) Reconnect electrical connectors P0428 and P1820 or P4191 and make sure the CMC messages above become inactive; perform step 3. H and on. F. PART II (1) Relocate the high rate discharge bottle electrical connectors (P0427, and P1820 or P4191) and the low rate discharge bottle electrical connectors (P0428, and P1821 or P4192) of the fire extinguisher system (FIREX), as applicable, by re-routing the electrical harness according to Figure 2 , detail B. NOTE: 1) P1820 and P1821 are applicable to aircraft SN 17000001 thru 19000237. 2) P4191 and P4192 are applicable to aircraft SN 17000238 and on. (2) Perform the system test as follows: (a) Disconnect electrical connectors P0428 and P1820 or P4191 and, in the cockpit, using the MFD2, check if the following messages become active on the CMC. Refer to AMM TASK 45-45-00-970-803-A/200 - Maintenance Messages - Check. – MAU3/CRG FWD FIREX LRD EED FAULT. – MAU3/CRG AFT FIREX HRD EED FAULT. OR – MAU3 GIO3/CRG FWD FIREX LRD EED. – MAU3 GIO3/CRG AFT FIREX HRD EED. NOTE: 1) Make sure the message applicable to FWD cargo compartment is related to Low Rate Discharge (LRD) bottle. 2) Make sure the message applicable to AFT cargo compartment is related to High Rate Discharge (HRD) bottle. 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 13 Copyright © 2012 by Embraer S.A. All rights reserved.(b) Reconnect electrical connectors P0428 and P1820 or P4191, and make sure the CMC messages above become inactive; perform step 3. H and on. G. PART III (1) Check the correct installation of the High Rate Discharge (HRD) bottle and make sure that the pressure switch is in its correct position, as shown in Figure 3

. (a) If no discrepancy is detected, perform step 3. G. (2). (b) If any discrepancy is detected, the High Rate Discharge (HRD) bottle must be removed and reinstalled in the correct position, and after that perform step 3. G. (3). Refer to AMM MPP 26-23-01/401 - CARGO COMPARTMENT FIRE EXTINGUISHING BOTTLE (HIGH RATE AND LOW RATE) - REMOVAL/INSTALLATION. After that, perform step 3. G. (2). (2) Check the Part Number of the Discharge Head of the High Rate Discharge (HRD) and Low Rate Discharge (LRD), according to Figure 3

. (a) If no discrepancy is detected, perform step 3. H and on. (b) If any discrepancy is detected, the affected Rate Discharge bottle must be replaced with another one with the same part number, immediately, and after that perform step 3. G. (3). Refer to AMM MPP 26-23-01/401 - CARGO COMPARTMENT FIRE EXTINGUISHING BOTTLE (HIGH RATE AND LOW RATE) - REMOVAL/INSTALLATION. NOTE: If is not possible to replace the Rate Discharge bottle immediately, the aircraft can be dispatched according to Master Minimum Equipment List (MMEL). After that, perform step 3. H and on. (3) Perform the system test as follows: (a) Disconnect electrical connectors P0428 and P1820 or P4191 and, in the cockpit, using the MFD2, check if the following messages become active on the CMC. Refer to AMM TASK 45-45-00-970-803-A/200 - Maintenance Messages - Check. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 14 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.– MAU3/CRG FWD FIREX LRD EED FAULT. – MAU3/CRG AFT FIREX HRD EED FAULT. OR – MAU3 GIO3/CRG FWD FIREX LRD EED. – MAU3 GIO3/CRG AFT FIREX HRD EED. NOTE: 1) Make sure the message applicable to FWD cargo compartment is related to Low Rate Discharge (LRD) bottle. 2) Make sure the message applicable to AFT cargo compartment is related to High Rate Discharge (HRD) bottle. (b) Reconnect electrical connectors P0428 and P1820 or P4191, and make sure the CMC messages above become inactive. H. On the MCDU close the SSPCs described below, using the sequence in parentheses: (1) CRG AFT HRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (2) CRG AFT HRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). (3) CRG AFT LRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (4) CRG AFT LRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). (5) CRG FWD HRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (6) CRG FWD HRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). (7) CRG FWD LRD PWR1-SPDA1 (CBMENU/CB BY SYS/FIRE PROT). (8) CRG FWD LRD PWR2-SPDA2 (CBMENU/CB BY SYS/FIRE PROT). I. Close access door 199AL. J. Reinstall access door 147AL. Refer to AMM TASK 52-46-00-400-801-A/400 - Middle 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 15 Copyright © 2012 by Embraer S.A. All rights reserved.Avionics-Compartment Access-Door - Installation. K. Restore the aircraft to normal. L. Enter the accomplishment of PART I and/or PART II, or PART III of this bulletin in the applicable documents. NOTE: 1) Please inform us by e-mail fleet.reliability@embraer.com.br of the aircraft manufacturer serial number and the SB incorporation date, specifying the SB Part(s) incorporated or whether the whole SB has been incorporated. This will enable Embraer to consider your aircraft configuration when providing future modifications. 2) To formally inform that the SB has been incorporated fleet-wide or that the SB will not be incorporated, so that Embraer can update the affected technical publications, use the “Service Bulletin Full-Fleet Incorporation Report” form, which is available on the Flyembraer portal (http://www.flyembraer.com). 3) Use the attached “Service Bulletin Evaluation” form to send us your comments regarding this SB. Your feedback will be much appreciated as an aid for us to improve the quality of the SBs. 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 16 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 Copyright © 2012 by Embraer S.A. All rights reserved.ZONE 148 

### A B



### A

B C

D FR57

STRG 23REM170SB260128A.DGN 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 17 FIGUR E 1 - INSPECTION OF FIREX DISCHARGE BOTTLE CONNECTORS (SHEET 01 OF 02)

Copyright © 2012 by Embraer S.A. All rights reserved.

### C

D

P1820 AND P1821 ARE APPLICABLE TO AIRCRAFT SN 17000001 THRU 17000237. 1 2 P4191 AND P4192 ARE APPLICABLE TO AIRCRAFT SN 17000238 AND ON PRESSURE SWITCH (P0429) (REF.) 1 2

PRESSURE SWITCH (P0430) (REF.)

1 2EM170SB260129A.DGN HIGH RATE DISCHARGE BOTLE (HRD) (REF.)

ELECTRICAL CONNECTOR (P0427) (FWD) (INSPECT) ELECTRICAL CONNECTOR (P1820 OR P4191) (AFT) (INSPECT)

ELECTRICAL CONNECTOR (P0428) (FWD) (INSPECT) LOW RATE DISCHARGE BOTLE (LRD) (REF.)

ELECTRICAL CONNECTOR (P1821 OR P4192) (AFT) (INSPECT) 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 18 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 FIGUR E 1 - INSPECTION OF FIREX DISCHARGE BOTTLE CONNECTORS (SHEET 02 OF 02)

Copyright © 2012 by Embraer S.A. All rights reserved.

### A ZONE

148 

### A

FR57

STRG 20R

STRG 23R

STRG 27R 

### BEM170SB260130A.DGN 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 19 FIGUR E 2 - RELOCATION OF FIREX DISCHARGE BOTTLE CONNECTORS (SHEET 01 OF 02)

Copyright © 2012 by Embraer S.A. All rights reserved.FR57 FR58

STRG 20R

STRG 26R 1 2

W120 (REF.)



### B

P1820 AND P1821 ARE APPLICABLE TO AIRCRAFT SN 17000001 THRU 17000237. 1 2 P4191 AND P4192 ARE APPLICABLE TO AIRCRAFT SN 17000238 AND ON.EM170SB260131A.DGN 1 2 ELECTRICAL CONNECTOR (P1820 OR P4191) (HRD) (REROUTE, IF APPLICABLE)
ELECTRICAL CONNECTOR (P0427) (HRD) (REROUTE, IF APPLICABLE) PRESURE SWITCH (P0429) (REF.)

ELECTRICAL CONNECTOR (P0428) (LRD) (REROUTE, IF APPLICABLE) ELECTRICAL CONNECTOR (P1821 OR P4192) (LRD) (REROUTE, IF APPLICABLE) PRESURE SWITCH (P0430) (REF.) 

# SERVICE BULLETIN

SB No.: 170-26-0011 PAGE: 20 DATE: 01/Dec/2011 REVISION No.: 02 - 17/Oct/2012 FIGUR E 2 - RELOCATION OF FIREX DISCHARGE BOTTLE CONNECTORS (SHEET 02 OF 02)

Copyright © 2012 by Embraer S.A. All rights reserved.

### A ZONE

148EM170SB260141A.DGN

1 "X" INDICATES THE REVISION THAT SHOULD NOT BE CONSIDERED DURING THE INSPECTION. 

### B



### A

B HIGH RATE DISCHARGE BOTTLE (HRD) (REF.)

DISCHARGE HEAD PN 446713−1X (INSPECT)

DISCHARGE HEAD PN 446713−1X (INSPECT) DISCHARGE HEAD PN 446713X (INSPECT) DISCHARGE HEAD PN 446713X (INSPECT) 1

1

1 1 LOW RATE DISCHARGE BOTTLE (LRD) (REF.) PRESSURE SWITCH (REF. FOR THE CORRECT POSITION) (INSPECT) 

# SERVICE BULLETIN

DATE: 01/Dec/2011 REVISION No.:02 - 17/Oct/2012 SB No.: 170-26-0011 PAGE: 21 FIGUR E 3 - INSPECTION OF THE BOTTLES DISCHARGE HEADS AND THE HRD BOTTLE POSITION (SHEET 01 OF 01)

Copyright © 2012 by Embraer S.A. All rights reserved.

### SERVICE BULLETIN EVALUATION
THE PURPOSE OF THIS FORM IS TO COLLECT DATA THAT WILL BE USED TO IMPROVE THE QUALITY OF OUR SERVICE BULLETINS. PLEASE FILL IN FORM AND RETURN IT TO: EMBRAER - EMPRESA BRASILEIRA DE AERONÁUTICA S.A. EFTC - SERVICE BULLETIN ENGINEERING AV. BRIGADEIRO FARIA LIMA, 2170 SÃO JOSÉ DOS CAMPOS - SP - 12227-901 BRASIL Fax: + 55 12 3927-6600 (ext. 1624) e-mail: fleet.reliability@embraer.com.br S.B. Title: S.B.: (Number / Rev.) Operator: SB Implementation Report Aircraft Serial Number or Registration Number: Incorporation Date: Aircraft Flight Hours: Aircraft Landings:
POST-ACCOMPLISHMENT EVALUATION: (Check applicable squares below) ESTIMATED MANPOWER: [ ] OK [ ] NOT OK (Explain Below) MATERIAL & KITS: [ ] OK [ ] NOT OK (Explain Below) ACCOMPLISHMENT INSTRUCTIONS: [ ] OK [ ] NOT OK (Explain Below) FIGURES: [ ] OK [ ] NOT OK (Explain Below) SB GENERAL EVALUATION: [ ] OK [ ] NOT OK (Explain Below) COMMENTS: (Bulletin quality/ Difficulties found at the time of incorporation/ Suggested improvements/ Other)

Organization: Fax: Phone: E-mail: Address: Prepared by:(Name/Title) Date:

Copyright © 2012 by Embraer S.A. All rights reserved.