### Commercial Airplane Group 

# 767 Service Bulletin

Number: 767-31-0098 

## Revision Transmittal Sheet Date: August 27, 1998 Revision 2: October 21, 1999 ATA System: 3141

SUBJECT:INDICATING/RECORDING SYSTEMS - Central Computers - Engine Indication And Crew Alerting System - EICAS Computer Replacement And Wire Change - GE PMC Engines This revision includes all pages of the service bulletin. COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Airworthiness Directive (AD) 96-07-09, paragraph (d)(2) is related to this service bulletin. More work is necessary on airplanes VB051-VB054, VN307-VN314 and VN676 changed as shown in the initial release or in Revision 1 of this service bulletin. In addition, airplanes VK046-VK054 were moved from Group 2 into a new Group 7. In Appendix A, the following were changed: left program pins, supplemental pins, OPC software part numbers and diskette set part numbers. Appendix B and C was changed to add the new Group 7 airplanes. REASON FOR REVISION This revision is sent to change left program pins, supplemental pins, OPC software part numbers and diskette set part numbers in Appendix A. Appendix B and C was changed to add the new Group 7 airplanes. Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity, to show the location of important changes. Pages with no vertical lines have no important changes. REVISION HISTORY Original Release: August 27, 1998 Revision 1: February 4, 1999 Revision 2: October 21, 1999

767-31-0098 Revision Transmittal Page 1 of 1

### Commercial Airplane Group 

# 767 Service Bulletin

Number: 767-31-0098 

## Summary Date: August 27, 1998 Revision 2: October 21, 1999 ATA System: 3141

SUBJECT:INDICATING/RECORDING SYSTEMS - Central Computers - Engine Indication And Crew Alerting System - EICAS Computer Replacement And Wire Change - GE PMC Engines
CONCURRENT REQUIREMENTS None BACKGROUND This service bulletin gives instructions to replace the two Engine Indication and Crew Alerting System (EICAS) computers. The new computers allow loadable Operational Program Software (OPS) and Operational Program Configuration (OPC) software installation via a portable data loader (PDL) or an airborne data loader (ADL). The new EICAS computers allow the use of OPC software to change the configuration of options selected by the customer. Loadable OPC software eliminates the requirement to change program pin wiring to make customer options. The new EICAS computers have increased capacity, supports optional Future Air Navigation System (FANS) features, complies with Amendment No. 121-266 [Docket No. 28109], "Revisions to Digital Flight Data Recorder Rules", and in combination with the appropriate Airplane Flight Manual (AFM) revision to Section 3.2, in accordance with Airworthiness Directive (AD) 96-07-09 paragraph (d)(2), will provide terminating action for the fuel filter bypass AD 96-07-09. The related Rockwell/Collins Service Bulletin is EAP-701B-31-AN. Boeing Service Letter 767-SL-31-036 is related to this service bulletin. ACTION(PRR B12710) In the E8 rack, replace the left and right EICAS computers. Make wire changes in the E8 shelf. Change left and right EICAS computer connector keying on the E-8 shelf. Load OPC software into both left and right EICAS computers. Do an operational test of the EICAS computers.
EFFECTIVITY All 767 airplanes line positions 1 - 695 with General Electric (GE) Power Management Computer (PMC) engines. The effectivity is broken up into seven major groups for convenience of wire changes. COMPLIANCE Federal Aviation Administration (FAA) Airworthiness Directive 96-07-09, Amendment 39-9558, is related to this service bulletin. INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin. MANPOWER Total Man-hours Elapsed Time (Hours) 10.75 5.25 The change to the EICAS computers as given in the Rockwell/Collins service bulletin is not included. MATERIAL INFORMATION Operator Supplied Parts

767-31-0098 Summary Page 1 of 2

### BOEING SERVICE BULLETIN 767-31-0098



### REPLACE LEFT AND RIGHT EICAS COMPUTERS IN E8 RACK FWD



### MAIN EQUIPMENT CENTER EICAS SHELF WIRES MAKE CHANGES TOS34301

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 Summary Page 2 of 2

### Commercial Airplane Group 

# 767 Service Bulletin

Number: 767-31-0098 Date: August 27, 1998 Revision 2: October 21, 1999 ATA System: 3141

SUBJECT:INDICATING/RECORDING SYSTEMS - Central Computers - Engine Indication And Crew Alerting System - EICAS Computer Replacement And Wire Change - GE PMC Engines

1. PLANNING INFORMATION A. Effectivity 1. Airplanes Refer to Service Bulletin Index Document D624T001, Part 3 for Airplane Variable Number, Line Number, and Serial Number data. This service bulletin is for the airplanes shown below. An equivalent change is on subsequent production airplanes. Refer to PRR B12710 for data about this change. NOTE: Airplanes with an EICAS three crew configuration (VB051 - VB055) must be changed to a two crew configuration prior to making the changes in this service bulletin. Airplane Models: 767-200 767-300 IDENTIFICATION BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABLE NUMBER ABX AIR (ABX)

3 VB101-VB108 AIR EUROPA (ARE)

2 VB323 3 VB328 AIR MAURITIUS (MAU)

5 VF001-VF002 AIR NEW ZEALAND (ANZ)

1 VE101 2 VB324 VE102-VE103 6 VN651-VN656 AIR PACIFIC (APC)

6 VN676 AIR SEYCHELLES (ASY)

6 VF051 ALL NIPPON AIRWAYS (ANA)

3 VB109-VB125 5 VK081-VK089 6 VN191-VN192

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### BOEING SERVICE BULLETIN 767-31-0098

AMERICAN AIRLINES (AAL)

3 VA501-VA530 5 VN001-VN015 6 VN016-VN041 ANSETT AUSTRALIA (ANS)

3 VB051-VB055 VB321-VB322 VE118 BRITANNIA AIRWAYS (BRI)

3 VB325-VB327 4 VB329-VB330 CANADIAN AIRLINES (CDI)

5 VN051-VN054 DELTA AIR LINES (DAL)

2 VK031-VK045 3 VA301-VA315 6 VN301-VN306 7 VK046-VK054 GULF AIR (GUL)

5 VL003-VL006 6 VN307-VN310 VN313-VN314 K.B.A. FOUNDATION (KBA)

6 VN312 KALAIR USA CORP (KLA)

6 VN311 LOT POLISH AIRLINES (LOT)

5 VF041-VF042 6 VN291-VN293 QANTAS (QAN)

5 VN081-VN085 6 VN086-VN099 TACA INTERNATIONAL AIRLINES (TAC)

2 VE116 TRANSBRASIL (TBL)

1 VE117 3 VB251-VB253 VE104 5 VL001-VL002 US AIRWAYS (USA)

5 VE141-VE146 6 VE147-VE152 VARIG AIRLINES (VAR)

5 VE121-VE126

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### BOEING SERVICE BULLETIN 767-31-0098

IDENTIFICATION BY VARIABLE NUMBER GROUP 1 VE101 VE117 GROUP 2 VB323-VB324 VE102-VE103 VE116 VK031-VK045 GROUP 3 VA301-VA315 VA501-VA530 VB051-VB055 VB101-VB125 VB251-VB253 VB321-VB322 VB325-VB328 VE104 VE118 GROUP 4 VB329-VB330 GROUP 5 VE121-VE126 VE141-VE146 VF001-VF002 VF041-VF042 VK081-VK089 VL001-VL006 VN001-VN015 VN051-VN054 VN081-VN085 GROUP 6 VE147-VE152 VF051 VN016-VN041 VN086-VN099 VN191-VN192 VN291-VN293 VN301-VN314 VN651-VN656 VN676 GROUP 7 VK046-VK054 2. Spares Examine your spares supply for the parts identified in Paragraph 2.E., Existing Parts Accountability. If any parts are found, refer to Paragraph 2.E., Existing Parts Accountability, for the recommended use.

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### BOEING SERVICE BULLETIN 767-31-0098

B. Concurrent Requirements None C. Reason This service bulletin gives instructions to replace the two Engine Indication and Crew Alerting System (EICAS) computers. The new computers allow loadable Operational Program Software (OPS) and Operational Program Configuration (OPC) software installation via a portable data loader (PDL) or an airborne data loader (ADL). The new EICAS computers allow the use of OPC software to change the configuration of options selected by the customer. Loadable OPC software eliminates the requirement to change program pin wiring to make customer options. The new EICAS computers have increased capacity, supports optional Future Air Navigation System (FANS) features, complies with Amendment No. 121-266 [Docket No. 28109], "Revisions to Digital Flight Data Recorder Rules", and in combination with the appropriate Airplane Flight Manual (AFM) revision to Section 3.2, in accordance with Airworthiness Directive (AD) 96-07-09 paragraph (d)(2), will provide terminating action for the fuel filter bypass AD 96-07-09. The related Rockwell/Collins Service Bulletin is EAP-701B-31-AN. Boeing Service Letter 767-SL-31-036 is related to this service bulletin. Revision 1 is sent to make changes to the EICAS functional test and the Parts Necessary for Each Airplane section 2.C. Revision 2 is sent to change left program pins, supplemental pins, OPC software part numbers and diskette set part numbers in Appendix A. Appendix B and C was changed to add the new Group 7 airplanes. D. Description In the E8 rack, replace the left and right EICAS computers. Make wire changes in the E8 shelf. Change left and right EICAS computer connector keying on the E-8 shelf. Load OPC software into both left and right EICAS computers. Do an operational test of the EICAS computers. NOTE: Some service bulletins with EICAS program pin changes are not usable after this change is done. Operators must contact Boeing for the OPC diskette that accomplishes the equivalent of those program pin changes. The changes in this service bulletin will change the Engine Indication and Crew Alerting System (EICAS). Revision 1 - No more work is necessary on airplanes changed as shown in the initial release of this service bulletin. The EICAS functional test was changed with the addition of two new steps on page 14 and to show the correct circuit breaker name, location and numbers on pages 12, 13 and 14. Revision 2 - More work is necessary on airplanes VB051-VB054, VN307-VN314 and VN676 changed as shown in the initial release or in Revision 1 of this service bulletin. In addition, airplanes VK046-VK054 were moved from Group 2 into a new Group 7. In Appendix A, the following were changed: left program pins, supplemental pins, OPC software part numbers and diskette set part numbers. Appendix B and C was changed to add the new Group 7 airplanes. An evaluation form is attached to this service bulletin. Please use this form to tell us what you think of the quality of this service bulletin.

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### BOEING SERVICE BULLETIN 767-31-0098

E. Compliance Federal Aviation Administration (FAA) Airworthiness Directive 96-07-09, Amendment 39-9558, is related to this service bulletin. F. Approval This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this service bulletin comply with the applicable Federal Aviation Regulations (FAR) and are FAA approved. This service bulletin and the FAA approval were based on the airplane in its original Boeing delivery configuration or as modified by other FAA approved Boeing changes. If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this service bulletin. The FAA has examined the configuration changes specified in this service bulletin. The FAA has approved the configuration change as a method of compliance to those specified in paragraph (d), (1) of AD 96-07-09, Amendment 39-9558. G. Manpower The table below shows an estimate of the man-hours necessary to do this change for each airplane. This estimate is for direct labor only, done by an experienced crew. Adjust the estimate with operator man-hour data if necessary. The estimate does not include lost time. These are some examples of lost time: - Time to adjust to the workplace - Time to schedule the work - Time to examine the work - Time to cure the materials - Time to make the parts - Time to find the tools. Task Number of Persons Man-Hours Elapsed Time (Hours) Open Access 2 0.50 0.25 Change 1-2 4.75 2.25 Close Access 2 0.50 0.25 Test 2 3.00 1.50 TOTAL FOR EACH AIRPLANE 10.75 5.25 The change to the EICAS computers as given in Collins Service Bulletin EAP-701B-31-AN is not included.

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### BOEING SERVICE BULLETIN 767-31-0098

H. Weight and Balance Changes Airplane Group and Model Change in Weight (Pounds) Change in Moment (Pound-Inches) Group 1 -200 airplanes -12.2 -3,123.0 -300 airplanes N/A N/A Group 2 -200 airplanes -12.2 -3,123.0 -300 airplanes -12.2 -1,647.0 Group 3 -200 airplanes -12.2 -3,123.0 -300 airplanes N/A N/A Group 4 -200 airplanes -12.2 -3,123.0 -300 airplanes N/A N/A Group 5 -200 airplanes -12.2 -3,123.0 -300 airplanes -12.2 -1,647.0 Group 6 -200 airplanes -12.2 -3,123.0 -300 airplanes -12.2 -1,647.0 Group 7 -200 airplanes N/A N/A -300 airplanes -12.2 -1,647.0
I. Electrical Load Data Not changed

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### BOEING SERVICE BULLETIN 767-31-0098

J. References 1. Existing Data: a. Engineering Change Memo PRR B12710 b. 767 Maintenance Manual (AMM) Subjects 20-41-01, 24-22-00, 31-41-02, 31-41-02/201 c. 767 Wiring Diagrams 31-41-15, 31-41-18 d. Boeing Standard Wiring Practices Manual (BSWPM) 20-10-11, 20-10-12, 20-10-14, 20-30-11, 20-71-14 e. Collins Service Bulletin EAP-701B-31-AN* f. Boeing Service Letter 767-SL-31-036, dated January 21, 1998. g. FAA Airworthiness Directive 96-07-09, Amendment 39-9558 h. Amendment No. 121-266 [Docket No. 28109], Revisions to Digital Flight Data Recorder Rules" * The supplier was told to send copies of the service bulletin to each operator. 2. Data supplied with this service bulletin: None 3. Installation Drawings: None K. Publications Changed Publication Chapter-Section 767 FAA Approved Airplane Flight Manual * 767 Operations Manual Chapter 21, VOL II 767 Maintenance Manual 23-21, 23-42, 23-43, 23-46, 31-41, 32-61 767 Ramp Maintenance Manual 31-04 Overhaul Manual 0, 3, 4, 9, 21, 22 (Old Format) Bulletin, QRH, NNC, 5, 7, 15 (New Format) 767 Illustrated Parts Catalog 31-41 * This change affects Section 3.2 of the FAA Approved Airplane Flight Manual. Operators will receive applicable data. L. Interchangeability and Intermixability of Parts Refer to Paragraph 2.E., Existing Parts Accountability, for interchangeability and intermixability information.

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### BOEING SERVICE BULLETIN 767-31-0098

BLANK PAGE

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### BOEING SERVICE BULLETIN 767-31-0098

2. MATERIAL INFORMATION A. Material - Price and Availability The operator can supply the parts and materials shown in Paragraph 2.C., Parts Necessary For Each Airplane, and Paragraph 2.D., Parts Necessary to Change Spares. Refer to Collins Service Bulletin EAP-701B-31-AN. The OPC diskette can be ordered through Boeing Spares. B. Industry Support Information Boeing warranty remedies are not available for the configuration changes given in this service bulletin. C. Parts Necessary For Each Airplane Parts and Materials Supplied by the Operator:

Quantity Part Number (Specification) Name 2 S242N701-1001 (a) EICAS computer 30 feet BMS 13-54, Type 3, Class 1, (b) (c) Lacing Tape, White 10 feet RT876 (d) Sleeving, Yellow Thermofit, 1/8 inch diameter 4 M39029/11-145 (b) Terminal Block Contact 5 feet BMS 13-48, Type 10, Class 1, AWG 22 Wire (b) 1 242T7001-2XXX (e) OPC diskette (a) Get EICAS computers S242N701-1001 from S242N701-40X (Collins Part Number 622-6088-10X). See Collins Service Bulletin EAP-701B-31-AN to get the new EICAS computers or contact Collins at the address given below. Rockwell Collins Incorporated (V4V792) Air Transport Division 400 Collins Road N.E. Cedar Rapids, Iowa 52498 Phone (319) 295-5000 (b) See the Qualified Products List at the end of the Boeing Material Specification (BMS) for supplier data. (c) Gudebrod Incorporated (V82110) Griffith Towers PO Box 357 Pottstown, PA 19464-5568 (d) Raychem Corporation (V06090) 300 Constitution Drive Menlo Park, CA 94025-1111 (e) Refer to Appendix A in this service bulletin for the applicable part number of the OPC diskette.

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### BOEING SERVICE BULLETIN 767-31-0098

D. Parts Necessary to Change Spares See the Collins Service Bulletin EAP-701B-31-AN to change spare EICAS computers. Get OPC software from Boeing Spares organization. E. Existing Parts Accountability The parts shown below are changed as shown in this service bulletin. Quantity is the number of parts changed on each airplane.

Existing Part Number RUC Name Quantity New Part Number PNC RC S242N701-40X (Collins part number 622-6088-10X) RW1 EICAS Computer 2 S242N701-1001 (Collins part number 822-1033-100) S A

RUC Recommended Use Code RW1 - Make the change given in Collins Service Bulletin EAP-701B-31-AN. PNC Part Number Code S - This is the part number for the new equivalent or replacement part. - To get a new part, use this part number in your order. RC Replacement Code A - Do not use the existing part to replace the new or changed part. - The existing part is not interchangeable or intermixable with the new part. F. Special Tooling - Price and Availability None G. Special Tooling Necessary to do this Service Bulletin No special tools or equipment are necessary to do the change in this service bulletin. But, maintenance and overhaul tools in the manuals given in Paragraph 1.J., References, can be necessary. Examine operator tool supply to make sure all necessary tools are available.

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### BOEING SERVICE BULLETIN 767-31-0098

3. ACCOMPLISHMENT INSTRUCTIONS GENERAL NOTES 1. The paragraphs identified with a letter give the general work instructions and the necessary tests. The instructions identified with numbers on the figures give the recommended sequence of steps. 2. Refer to the Boeing Standard Wiring Practices Manuals 20-10-11 and 20-10-12 for the wire installation procedures. 3. Obey all of the warnings and cautions given in the specified manual sections. 4. Airplanes with an EICAS three crew configuration (VB051 - VB055) must be changed to a two crew configuration prior to making the changes in this service bulletin. 5. Some service bulletins with EICAS program pin changes are not usable after this change is done. Operators must contact Boeing for the OPC diskette that accomplishes the equivalent of those program pin changes. 6. The Accomplishment Instructions are divided into two parts as follows: - Part I - Instructions to compare the EICAS readouts to those given in Appendix A. You can now

make sure the applicable software is used for this change. - Part II - Instructions to replace the EICAS computers, make wire changes and load the new

software. WORK INSTRUCTIONS PART I - EICAS READOUT COMPARISON A. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "L". B. On the P61 panel, press the EICAS MAINT Panel "CONF/MCDP" button. C. Compare the "PROG PINS" and "SUPL PINS" readouts displayed on the lower EICAS display with the LEFT PROG PINS and SUPL PINS information in Appendix A for the applicable effectivity. If the EICAS readouts do not agree with those given in Appendix A, supply the PROG PINS and SUPL PINS data to the Boeing Company to get the correct OPC software part number. NOTE: For airplanes with EICAS part number S242N701-401 through -406, the "SUPL PINS" readout is not applicable. It is only necessary to make sure that the left EICAS PROG PINS readout agrees with Appendix A. D. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "AUTO". PART II - SOFTWARE LOADABLE EICAS COMPUTER CHANGE A. Remove the electrical power from the airplane circuits as given in 767 AMM Subject 24-22-00. Attach DO-NOT-CLOSE tags to opened circuit breakers and DO-NOT-OPERATE tags to applicable switches. Use an independent power source for lighting. B. Remove the left and right EICAS computers as shown in Figure 1. C. Make W1035 wire changes as shown in Figure 2. D. Make W1037 wire changes as shown in Figure 3.

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### BOEING SERVICE BULLETIN 767-31-0098

E. Tape and stow W1035 and W1037 wires, if installed as shown in Figure 4. F. On the E8 shelf, make changes to the left and right EICAS computer connector keying as shown in Figure 5. G. Install the new left and right EICAS computers as shown in Figure 6. H. Remove DO-NOT-CLOSE tags from circuit breakers and DO-NOT-OPERATE tags from switches installed or opened in Step A. Supply electrical power to the airplane circuits as given in 767 AMM 24-22-00. I. Install the OPC software for the left and right EICAS computers. Refer to Appendix A in this service bulletin and the instructions below. Load the left EICAS computer first. Load the right EICAS computer second. 1. Make sure that the PDL ON/OFF switch is in the OFF position. 2. Open the circuit breakers shown below: CIRCUIT BREAKER NAME PANEL NUMBER GRID LOCATION C4078 EICAS CMPTR L P11-2 J02 C4079 EICAS CMPTR R P11-5 J29 3. Set the airplane parking brake. WARNING: ELECTRICAL SHOCK HAZARD. THE CONNECTION AND REMOVAL OF THE PORTABLE DATA LOADER (PDL) INTERFACE CABLE CAN CAUSE AN ELECTRICAL SHOCK. DAMAGE TO PEOPLE AND EQUIPMENT CAN OCCUR. MAKE SURE THAT THE EICAS COMPUTER CIRCUIT BREAKERS SPECIFIED IN STEPS 2, 12, AND 22 ARE OPEN BEFORE THE PDL INTERFACE CABLE IS CONNECTED OR REMOVED. 4. Connect the Portable Data Loader (PDL) interface cable to the ARINC 615 connector on the front face of the left EICAS computer (M10181). 5. Close the circuit breakers shown below: Circuit Breaker Name Panel Location C1170 LANDING GEAR AIR/GND SYS 2 P11-6 U23 or U24 C1175 LDG GEAR POS SYS 1 P11-4 C30 C1179 PARKING BRAKE VLV P6-1 F4 C1182 LANDING GEAR AIR/GND SYS 1 P11-3 U15 6. Obtain the applicable EICAS OPC software part number diskette for the airplane effectivity. Refer to Appendix A.

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### BOEING SERVICE BULLETIN 767-31-0098

7. Close the circuit breaker shown below: CIRCUIT BREAKER NAME PANEL NUMBER GRID LOCATION C4078 EICAS CMPTR L P11-2 J02 8. Put the PDL ON/OFF switch in the ON position. Make sure that the PDL is powered. 9. Install the OPC diskette into the PDL and follow the normal data load procedures given by the PDL supplier. 10. Make sure that the data loader indicates that the load is in progress. NOTE: The load process can take one to two minutes to begin. 11. After three to four minutes, make sure that the Data Loader indicates that the load is complete. Put the ON/OFF switch on the PDL in the OFF position. 12. Open the circuit breaker shown below: CIRCUIT BREAKER NAME PANEL NUMBER GRID LOCATION C4078 EICAS CMPTR L P11-2 J02 13. Remove the PDL interface cable from the left EICAS computer

.Install the connector dust cover to the front face of the left EICAS computer. 14. Connect the PDL interface cable to the ARINC 615 connector on the front face of the right EICAS computer (M10182). 15. Make sure that the circuit breakers shown below are closed: Circuit Breaker Name Panel Location C1170 LANDING GEAR AIR/GND SYS 2 P11-6 U23 or U24 C1175 LDG GEAR POS SYS 1 P11-4 C30 C1179 PARKING BRAKE VLV P6-1 F4 C1182 LANDING GEAR AIR/GND SYS 1 P11-3 U15 16. Make sure that the airplane parking brake is set. 17. Close the circuit breaker shown below: CIRCUIT BREAKER NAME PANEL NUMBER GRID LOCATION C4079 EICAS CMPTR R P11-5 J29 18. Put the PDL ON/OFF switch in the ON position. Make sure that the PDL is powered.

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### BOEING SERVICE BULLETIN 767-31-0098

19. Install the OPC diskette into the PDL and follow the normal data load procedures given by the PDL supplier. 20. Make sure that the data loader indicates that the load is in progress. NOTE: The load process can take one to two minutes to begin. 21. After three to four minutes, make sure that the Data Loader indicates that the load is complete. Put the ON/OFF switch on the PDL in the OFF position. 22. Open the circuit breaker shown below: CIRCUIT BREAKER NAME PANEL NUMBER GRID LOCATION C4079 EICAS CMPTR R P11-5 J29 23. Remove the PDL interface cable from the right EICAS computer

.Install the connector dust cover to the front face of the right EICAS computer. J. Do this test: 1. Make sure that the circuit breakers shown below are closed: Circuit Breaker Name Panel Location C1182 LANDING GEAR AIR/GND SYS 1 P11-3 U15 C1170 LANDING GEAR AIR/GND SYS 2 P11-6 U23 OR U24 C1175 LDG GEAR POS SYS 1 P11-4 C30 C4078 EICAS COMPTR-L P11-2 J2 C4079 EICAS COMPTR-R P11-5 J29 C4081 EICAS UPPER DSPL P11-2 J3 C4082 EICAS LOWER DSPL P11-5 J30 C4094 EICAS DSPL SELECT P11-5 J32 C4189 EICAS DSPL SW P11-5 J31 C0565 WARN ELEX-A P11-5 J34 C0566 WARN ELEX-B P11-1 B18 C0567 AURAL WARN SPKR L P11-1 B16 C0568 AURAL WARN SPKR R P11-5 H35 C1179 PARKING BRAKE VLV P6-1 F4 2. Make sure that the airplane parking brake is set and that the L and R EEC's are powered. 3. On the P6-5 panel, turn the EEC ground test switch to "ON". 4. Make sure that the STANDBY ENGINE INDICATOR is powered and the front panel switch is in "AUTO". 5. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "L". 6. On the P61 panel, press the EICAS MAINT Panel "TEST" button.

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### BOEING SERVICE BULLETIN 767-31-0098

7. Make sure that each event shown below occurs: a. On the P7 panel, the Master CAUTION lighted switches illuminate. b. An "OWL" aural and "SIREN" aural occur at the same time. c. On the P1 panel, the standby engine indicator displays for the L and R EGT are not blanked. d. The test format is displayed on each EICAS display unit with "LEFT EICAS COMPUTER" at the top of the screen. e. "TEST IN PROGRESS" is displayed for approximately 5 seconds. The message is then replaced by the message "SELF TEST COMPLETE". f. Make sure "NO INTERFACE FAULTS" is displayed at the upper left corner of test page. g. Make sure "NO INTERNAL FAULTS" is displayed at the upper left corner of test page. NOTE: If "Program Pin Error" is displayed, compare the program pin codes displayed on the test page to those given in Appendix B. If the PROG PINS code display is not the same, it is necessary to examine the wiring. The changes made on the airplane must be the same as given in the applicable wiring changes shown. 8. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "R". 9. Make sure that each item given below is displayed on the EICAS upper and lower displays. a. The test format is displayed on each EICAS display unit with "RIGHT EICAS COMPUTER" at the top of the screen. b. The message "SELF TEST COMPLETE" is displayed at the upper left corner of the test page. c. "NO INTERFACE FAULTS" is displayed at the upper left corner of the test page. d. "NO INTERNAL FAULTS" is displayed at the upper left corner of the test page. NOTE: If "Program Pin Error" is displayed, compare the program pin codes displayed on the test page to those given in Appendix C. If the PROG PINS code display is not the same, it is necessary to examine the wiring. The changes made on the airplane must be the same as given in the applicable wiring changes shown. 10. PRESS either Master CAUTION/WARNING lighted switch on the P7 panel. 11. Make sure that both Master CAUTION lights on the P7 panel are off.

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 15

### BOEING SERVICE BULLETIN 767-31-0098

12. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "L". 13. On the P61 panel, press and release the EICAS MAINT Panel "TEST" button. 14. Make sure that the PRIMARY engine format is displayed on the Upper display and SECONDARY engine format is displayed on the Lower display. 15. On the P61 panel, press the EICAS MAINT Panel "CONF/MCDP" button. 16. Make sure that the EICAS CONFIGURATION on the CONF/MCDP maintenance page reads as follows: a. H/W P/N S242N701-1001 b. OPS P/N 3172-COL-DE0-01 NOTE: If the OPS part number readout is not the same as this part number, it is necessary to load the OPS software again. The OPS diskette is available, if necessary, from Collins. c. OPC P/N (31XX-BCG-006-XX) NOTE: See Appendix A for the applicable OPC P/N. If the OPC part number display is not the same as the part number given in Appendix A, it is necessary to load the EICAS computer with the correct software. The procedure is given in these Accomplishment Instructions. d. PROG PINS (XXXX) NOTE: See Appendix B for the applicable PROG PINS. If the PROG PINS code display is not the same as the code given in Appendix B, it is necessary to examine the wiring. The changes made on the airplane must be the same as given in the applicable wiring changes. 17. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "R".

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 16

### BOEING SERVICE BULLETIN 767-31-0098

18. Make sure that the EICAS CONFIGURATION is as follows: a. H/W P/N S242N701-1001 b. OPS P/N 3172-COL-DE0-01 NOTE: If the OPS part number readout is not the same as this part number, it is necessary to load the OPS software again. Refer to 767 AMM 31-41-02/201. The OPS diskette is available, if necessary, from Collins. c. OPC P/N (31XX-BCG-006-XX) NOTE: See Appendix A for the applicable OPC P/N. If the OPC part number display is not the same as the part number given in Appendix A, it is necessary to load the EICAS computer with the correct software. The procedure is given in these Accomplishment Instructions. d. PROG PINS (XXXX) NOTE: See Appendix C for the applicable PROG PINS. If the PROG PINS code display is not the same as the code given in Appendix C, it is necessary to examine the wiring. The changes made on the airplane must be the same as given in the applicable wiring changes shown. 19. On the P9 panel, press the EICAS DSP "ENGINE" button. 20. Make sure that the EICAS ALERT messages shown below are NOT displayed on the upper EICAS display: - EICAS DISPLAY - EICAS CONT PNL 21. On the P9 panel, press the EICAS DSP "STATUS" button. 22. Make sure that the EICAS status messages shown below are NOT displayed on the upper EICAS display: - L EICAS CMPTR - R EICAS CMPTR - EICAS DISAGREE - EICAS SOFTWARE NOTE: If an "EICAS SOFTWARE" message is displayed, there is a disagree between the left and the right EICAS software versions. Check the OPC and OPS software part numbers for the left and right EICAS computers on the CONF/MCDP page and reload the software accordingly. 23. On the P61 panel, press the EICAS MAINT Panel "ECS/MSG" button.

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 17

### BOEING SERVICE BULLETIN 767-31-0098

24. Make sure that the message "EICAS BITE" is NOT displayed on the lower EICAS display. 25. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "L". 26. Make sure that the EICAS ALERT messages shown below are NOT displayed on the upper EICAS display: - EICAS DISPLAY - EICAS CONT PNL 27. On the P9 panel, press the EICAS DSP "STATUS" button. 28. Make sure that the EICAS status messages shown below are NOT displayed on the lower EICAS display: - L EICAS CMPTR - R EICAS CMPTR - EICAS DISAGREE - EICAS SOFTWARE NOTE: If an "EICAS SOFTWARE" message is displayed, there is a disagree between the left and the right EICAS software versions. Check the OPC and OPS software part numbers for the left and right EICAS computers on the CONF/MCDP page and reload the software accordingly. 29. On the P61 panel, press the EICAS MAINT Panel "ECS/MSG" button. 30. Make sure that the message "EICAS BITE" is NOT displayed on the lower EICAS indicator. 31. On the P9 panel, move the EICAS DSP "COMPUTER" switch to "AUTO". K. Put the airplane back into serviceable condition.

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 18

### BOEING SERVICE BULLETIN 767-31-0098

FIGURE TABLE OF CONTENTS Title Page FIGURE 1. EICAS COMPUTER REMOVAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 FIGURE 2. W1035 WIRE CHANGES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 FIGURE 3. W1037 WIRE CHANGES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 FIGURE 4. W1035 AND W1037 WIRE CHANGES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 FIGURE 5. EICAS COMPUTER S242N701-1001 CONNECTOR KEYING CHANGE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 FIGURE 6. EICAS COMPUTER INSTALLATION. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

August 27, 1998 767-31-0098 Revision 2: October 21, 1999 19

### BOEING SERVICE BULLETIN 767-31-0098



### 1 FWD



### MAIN EQUIPMENT CENTERS50106

CAUTION: USE THE PRECAUTIONS FOR ELECTROSTATIC DISCHARGE ON THE EICAS COMPUTERS AS GIVEN IN 767 AMM 20-41-01. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE EICAS COMPUTERS. The step number shown below agrees with the number shown in the circle symbol in the figure.

STEP TASK NAME PART NUMBER QTY NOTES 1 Remove EICAS Computer S242N701-40x 2 767 AMM 31-41-02.

FIGURE 1. EICAS COMPUTER REMOVAL August 27, 1998 SHEET 1 OF 1 767-31-0098 Revision 2: October 21, 1999 20

### BOEING SERVICE BULLETIN 767-31-0098



### APPLICABLE FOR GROUP 1-7 AIRPLANES

DELETED WIRE OR FORMER ROUTING EXISTING WIRE REFERENCE: 767 WIRING DIAGRAM 31-41-15 2 1



### TB239 TB239 W1035-043-24

W1035-081-22 W1035-071-22 W1035-089-22 W1035-092-22

W1035-073-22 W1035-074-22 W1035-083-22

Z8 Z7 W1035-059-22 W1035-058-22

W1035-068-22 W1035-082-22 W1035-076-22 W1035-069-22 W1035-086-22 Z9 W1035-084-22 W1035-070-22

COMPUTER L EICAS M10181 XC13 XC14 XB18 K9 K6 E13 W1035-041-24 W1035-042-24 W1035-036-24

D881B D881EW1035-037-24 W1035-046-24 W1035-045-24 G1 J8 K1 XB19 XC17 XC18

XC12 XC11 W1035-040-24 W1035-039-24
D881A K9 K1 XC15 XC16 XB20 K12 J12 D8

D881DW1035-044-24 W1035-038-24 D881F XC19 W1035-047-24 W1035-035-24 XB17

J5 XB16 XB15 XB14 W1035-034-24 W1035-033-24 W1035-032-24

D881B B6 D11 D3 C6S50107

FIGURE 2. W1035 WIRE CHANGES August 27, 1998 SHEET 1 OF 3 767-31-0098 Revision 2: October 21, 1999 21

### BOEING SERVICE BULLETIN 767-31-0098



### DELETED WIRE OR FORMER ROUTING EXISTING WIRE ADDED WIRE OR NEW ROUTING APPLICABLE FOR GROUP 1, 2, 3 AND 5 AIRPLANES REFERENCE: 767 WIRING DIAGRAM 31-41-1534 4 2



### W1035-100-22 W1035-085-22

COMPUTER L EICAS M10181 TB239 Z7 TB239 W1035-050-24 W1035-079-22 D881E XD12 J1

D881F Z9 W1035-072-22 XB12 W1035-030-24 D8 W1035-057-22

D881B XB13 XA20 XA19 W1035-031-24 W1035-028-24 W1035-027-24 C9 F6 F10S50108

FIGURE 2. W1035 WIRE CHANGES August 27, 1998 SHEET 2 OF 3 767-31-0098 Revision 2: October 21, 1999 22

### BOEING SERVICE BULLETIN 767-31-0098

EXISTING WIRE DELETED WIRE OR FORMER ROUTING APPLICABLE FOR GROUP 4, 6 AND 7 AIRPLANES REFERENCE: 767 WIRING DIAGRAM 31-41-152



### W1035-079-22 W1035-100-22 W1035-085-22

COMPUTER L EICAS M10181 TB239 Z7 TB239 W1035-050-24 D881E XD12 J1

D881F Z9 W1035-072-22 XB12 W1035-030-24 D8 W1035-057-22

D881B XB13 XA20 XA19 W1035-031-24 W1035-028-24 W1035-027-24 C9 F6 F10S50811
The flag note numbers shown below agree with the numbers shown in the flag symbols in the figure. The QTY numbers shown below are the number of parts necessary for the left EICAS computer on one airplane.

FLAG NOTE NAME PART NUMBER QTY NOTES 1
- - - Wires become spare. No action necessary. 2 Wire
- - Delete, if installed. Wires may be installed at different locations. 3 Wire BMS 13-48, Type 10, Class 1, AWG 22 1 Install or connect wire if not installed. Cut and code new wire, if necessary, as given in your own procedures. Identify the new wire as given in BSWPM 20-10-11. 4 Terminal Block Contact M39029/11-145 2
-

FIGURE 2. W1035 WIRE CHANGES August 27, 1998 SHEET 3 OF 3 767-31-0098 Revision 2: October 21, 1999 23

### BOEING SERVICE BULLETIN 767-31-0098



### APPLICABLE FOR GROUP 1-7 AIRPLANES

EXISTING WIRE DELETED WIRE OR FORMER ROUTING 2 1



### REFERENCE: 767 WIRING DIAGRAM 31-41-15 M10182 TB239

TB239 W1037-092-22 W1037-069-22 W1037-049-22 W1037-055-22 W1037-068-22 W1037-062-22 W1037-073-22 W1037-081-22

Z37 W1037-056-22 W1037-061-22 Z33

XB29 W1037-028-24 XC27 W1037-036-24 XC28 W1037-037-24 G1 K1 J8

D883E XC25 XC26 XB30 W1037-034-24 W1037-035-24 W1037-029-24

XC29 W1037-038-24 J5

D883F D883D K12 J12 W1037-030-24 XC21

D8

D883A Z31

W1037-060-22 XC22 W1037-031-24 XC23 W1037-032-24 XB27 W1037-026-24

K1 K9

D883B K9 B6 W1037-058-22 XC24 W1037-033-24 K6 W1037-076-22 XB28 W1037-027-24 E13 C6 W1037-057-22 XB24 W1037-023-24 W1037-048-22 XB26 W1037-025-24 D11 W1037-070-22 XB25 W1037-024-24 D3

COMPUTER R EICASS50120

FIGURE 3. W1037 WIRE CHANGES August 27, 1998 SHEET 1 OF 3 767-31-0098 Revision 2: October 21, 1999 24

### BOEING SERVICE BULLETIN 767-31-0098

EXISTING WIRE DELETED WIRE OR FORMER ROUTING APPLICABLE TO GROUP 1, 2, 3 AND 5 AIRPLANES 2



### REFERENCE: 767 WIRING DIAGRAM 31-41-15Z37 W1037-050-22 TB239 W1037-059-22 Z31

R EICAS M10182 COMPUTERJ1 TB239 XD22 W1037-041-24 D883E D883F XB22 W1037-021-24 W1037-047-22 W1037-072-22 W1037-079-22 XB23 XA30 XA29 W1037-022-24 W1037-019-24 W1037-018-24

D883B

D8 C9 F6 F10S50122

FIGURE 3. W1037 WIRE CHANGES August 27, 1998 SHEET 2 OF 3 767-31-0098 Revision 2: October 21, 1999 25

### BOEING SERVICE BULLETIN 767-31-0098

DELETED WIRE OR FORMER ROUTING EXISTING WIRE ADDED WIRE OR NEW ROUTING APPLICABLE TO GROUP 4, 6 AND 7 AIRPLANES 3 3 4 2



### REFERENCE: 767 WIRING DIAGRAM 31-41-15 Z37 TB239

Z31

W1037-050-22 W1037-059-22

R EICAS M10182 COMPUTERJ1 TB239 XD22 W1037-041-24 D883E D883F XB22 W1037-021-24 W1037-047-22 W1037-072-22 W1037-079-22 XB23 XA30 XA29 W1037-022-24 W1037-019-24 W1037-018-24

D883B

D8 C9 F6 F10S50821
The flag note numbers shown below agree with the numbers shown in the flag symbols in the figure. The QTY numbers shown below are the number of parts necessary for the right EICAS computer on one airplane.

FLAG NOTE NAME PART NUMBER QTY NOTES 1
- - - Wires become spare. No action necessary. 2 Wire
- - Delete if installed. Wires may be installed at different locations. 3 Terminal Block Contact M39029/11-145 2
- 4 Wire BMS 13-48, Type 10, Class 1, AWG 22 1 Install or connect wire if not installed. Cut and code new wire, if necessary, as given in your own procedures. Identify the new wire as given in BSWPM 20-10-11.

FIGURE 3. W1037 WIRE CHANGES August 27, 1998 SHEET 3 OF 3 767-31-0098 Revision 2: October 21, 1999 26

### BOEING SERVICE BULLETIN 767-31-0098

1 1



### REFERENCE: 767 WIRING DIAGRAM 31-41-18 M10182 R EICAS COMPUTER L EICAS COMPUTER M10181

TB239 W1037-098-24 J7

D883F Z39

W1037-096-24 W1037-108-24 H7 G6 J7 W1035-098-24 TB239

W1035-096-24 W1035-108-24 Z38

D881F H7 G6S50123
The flag note numbers shown below agree with the numbers shown in the flag symbols in the figure. The QTY numbers shown below are the numbers of parts necessary for the left and right EICAS computers on one airplane.

FLAG NOTE NAME PART NUMBER QTY NOTES 1 Sleeving RT876, 1/8 inch diameter, 3 inches - Tape and stow wire, if installed near TB239. Refer to BSWPM 20-30-11 and 20-10-14. Lacing Tape BMS 13-54, Type 3, Class 1 - Color White - Refer to BSWPM 20-10-11.

FIGURE 4. W1035 AND W1037 WIRE CHANGES August 27, 1998 SHEET 1 OF 1 767-31-0098 Revision 2: October 21, 1999 27

### BOEING SERVICE BULLETIN 767-31-0098



### DARK AREA REPRESENTS THE POST 6 5 4 3 2 1 LEFT POST RIGHT POST CENTER POSTS50126

CODE NUMBER RECEPTACLE SHELL PLUG SHELL Refer to BSWPM 20-71-14 for connector keying change. Left PostCenter Post Right Post Left PostCenter Post Right Post 63 2 3 2 3 2 3

FIGURE 5. EICAS COMPUTER S242N701-1001 CONNECTOR KEYING CHANGE August 27, 1998 SHEET 1 OF 1 767-31-0098 Revision 2: October 21, 1999 28

### BOEING SERVICE BULLETIN 767-31-0098



### 1 FWD



### MAIN EQUIPMENT CENTERS50124

CAUTION: USE THE PRECAUTIONS FOR ELECTROSTATIC DISCHARGE ON THE EICAS COMPUTERS AS GIVEN IN 767 AMM 20-41-01. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE EICAS COMPUTERS. The step number shown below agrees with the number shown in the circle symbol in the figure.

STEP TASK NAME PART NUMBER QTY NOTES 1 Install EICAS Computer S242N701-1001 2 767 AMM 31-41-02.

FIGURE 6. EICAS COMPUTER INSTALLATION August 27, 1998 SHEET 1 OF 1 767-31-0098 Revision 2: October 21, 1999 29

### BOEING SERVICE BULLETIN 767-31-0098

APPENDIX A. OPC PART NUMBER BY CUSTOMER EFFECTIVITY Service Bulletin Effectivity L Prog Pins Supl Pin OPC S/W P/N Diskette Set P/N (Group 1) VE101 8C394FC7 0000 310B-BCG-006-H1 242T7001-2051 VE117 8C394FE6 0000 3108-BCG-006-H2 242T7001-2052 (Group 2) VB323 4A394766 0000 310D-BCG-006-G8 242T7001-2048 VB324 4A394766 0000 310D-BCG-006-G8 242T7001-2048 VE102-VE103 4A394FE6 0000 3108-BCG-006-H2 242T7001-2052 VE116 4A394FE6 0000 3108-BCG-006-H2 242T7001-2052 VK031-VK045 4A35498F 0000 310B-BCG-006-M4 242T7001-2094 (Group 3) VA301-VA315 CE35098E 0000 310C-BCG-006-M3 242T7001-2093 VA501-VA508 CE370C26 0000 3106-BCG-006-F2 242T7001-2032 VA509-VA513 CE370E27 0000 3107-BCG-006-F3 242T7001-2033 VA514-VA530 CE374E26 0000 3100-BCG-006-F4 242T7001-2034 VB051 CE390FC6 0000 3106-BCG-006-G3 242T7001-2043 VB052-53,55 CE390DC7 0000 3107-BCG-006-G2 242T7001-2042 VB054 CE390DC7 0000 3109-BCG-006-M6 242T7001-2096 VB101-VB125 CE310887 0000 310B-BCG-00M-20 242T7001-2180 VB251-VB252 CE3900A6 0000 310C-BCG-006-F8 242T7001-2038 VB253 CE3910A7 0000 310C-BCG-006-F8 242T7001-2038 VB321-VB322 CE3909C6 0000 3104-BCG-006-G1 242T7001-2041 VB325 CE3949C7 0000 310C-BCG-006-G9 242T7001-2049 VB326-VB327 CE388207 0000 310D-BCG-006-J5 242T7001-2065 VB328 CE388207 0000 310D-BCG-006-J5 242T7001-2065 VE104 CE394FE6 0000 3108-BCG-006-H2 242T7001-2052 VE118 CE395FC6 0000 310F-BCG-006-H5 242T7001-2055 (Group 4) VB329-VB330 DE388206 0000 310D-BCG-006-J5 242T7001-2065 (Group 5) VE121-VE126 293B6FEF 0000 310D-BCG-006-L3 242T7001-2083 VE141-VE146 2935622F 0000 3104-BCG-006-F0 242T7001-2030 VF001-VF002 2939432F 0000 3102-BCG-006-G7 242T7001-2047 VF041-VF042 297B6F2E 0000 3116-BCG-006-P4 242T7001-2114 VK081-VK087 2931488F 0000 3105-BCG-006-D3 242T7001-2013 VK088-VK089 29314A8E 0000 3102-BCG-006-D4 242T7001-2014 VL001 2979432E 0000 3108-BCG-006-N4 242T7001-2104 VL002 2979436F 0000 3109-BCG-006-N5 242T7001-2105 VL003 2978632E 0000 311F-BCG-006-U8 242T7001-2148 VL004-VL006 2978632E 0000 311F-BCG-006-U8 242T7001-2148 VN001-VN015 29374E2F 0000 3101-BCG-006-F5 242T7001-2035 VN051-VN054 29314EAE 0000 3103-BCG-006-D5 242T7001-2015 VN081-VN085 29396BAE C000 3103-BCG-006-H9 242T7001-2059

APPENDIX A. OPC PART NUMBER BY CUSTOMER EFFECTIVITY August 27, 1998 767-31-0098 Revision 2: October 21, 1999 Page A1 of 2

### BOEING SERVICE BULLETIN 767-31-0098

Service Bulletin Effectivity L Prog Pins Supl Pin OPC S/W P/N Diskette Set P/N (Group 6) VE147-VE152 3935622E 0000 3104-BCG-006-F0 242T7001-2030 VF051 3938D3AE 0000 310F-BCG-006-J7 242T7001-2067 VN016-VN041 39375E2F 0000 3102-BCG-006-F6 242T7001-2036 VN086-VN092 39396BAF C000 3103-BCG-006-H9 242T7001-2059 VN093 39397BAE C000 310A-BCG-006-J2 242T7001-2062 VN094-VN099 39397BAE C000 310A-BCG-006-J2 242T7001-2062 VN191-VN192 39315A8E 0000 3101-BCG-006-D7 242T7001-2017 VN291-VN293 397B7F2E 0000 3114-BCG-006-P6 242T7001-2116 VN301-VN306 39365B8E 0000 310A-BCG-006-M5 242T7001-2095 VN307-VN310 397A7FEF 0000 311E-BCG-006-U9 242T7001-2149 VN311-VN312 397B7FEE 0000 3115-BCG-006-P7 242T7001-2117 VN313-VN314 397A7FEF 0000 311E-BCG-006-U9 242T7001-2149 VN651-VN656 39397FEE 0000 310C-BCG-006-J4 242T7001-2064 VN676 39397FEE 0400 3107-BCG-00M-68 242T7001-2208 (Group 7) VK046-VK054 5A35498E 0000 310B-BCG-006-M4 242T7001-2043

APPENDIX A. OPC PART NUMBER BY CUSTOMER EFFECTIVITY August 27, 1998 767-31-0098 Revision 2: October 21, 1999 A2

### BOEING SERVICE BULLETIN 767-31-0098

APPENDIX B. SERVICE BULLETIN GROUP TO PROGRAM PINS - LEFT EICAS COMPUTER SERVICE BULLETIN

GROUP PROGRAM PINS 1 8C27 2 4A27 3 CE27 4 DE26 5 2927 6 3926 7 5A26

APPENDIX B. SERVICE BULLETIN GROUP TO PROGRAM PINS - LEFT EICAS COMPUTER August 27, 1998 767-31-0098 Revision 2: October 21, 1999 Page B1 of 1

### BOEING SERVICE BULLETIN 767-31-0098

APPENDIX C. SERVICE BULLETIN GROUP TO PROGRAM PINS - RIGHT EICAS COMPUTER SERVICE BULLETIN

GROUP PROGRAM PINS 1 8426 2 4226 3 C626 4 D627 5 2126 6 3127 7 5227

APPENDIX C. SERVICE BULLETIN GROUP TO PROGRAM PINS - RIGHT EICAS COMPUTER August 27, 1998 767-31-0098 Revision 2: October 21, 1999 Page C1 of 1

### Commercial Airplane Group 

# 767 Service Bulletin

Number: 767-31-0098 

## Evaluation Form Date: August 27, 1998 Revision 2: October 21, 1999 ATA System: 3141 Prepared By: Jim Sketchley

SUBJECT:INDICATING/RECORDING SYSTEMS - Central Computers - Engine Indication And Crew Alerting System - EICAS Computer Replacement And Wire Change - GE PMC Engines Use this evaluation form to tell us what you think of the quality of this service bulletin. We will use the data that you give us to improve the quality of our service bulletins. NOTE: Please do not use this evaluation form to tell us to make changes to your manuals. To make these changes, please use a Publication Change Request (PCR) form. Please give us this data: (If necessary, please use the other side. Thank you for the time you used to give us your comments.) OPERATOR: TODAY'S DATE: PREPARED BY: TITLE: ORGANIZATION: TELEX CODE: TELEPHONE NUMBER: BASE: Please rate the quality of this service bulletin: (good)4321 (poor) Please rate the quality of the illustrations: (good)4321 (poor) Will you do the change given by this service bulletin? Yes No If not, please explain: Is this service bulletin easy to understand? Yes No If not, please explain: Is this service bulletin easy to use? Yes No If not, please explain: Are the Planning Information, Material Information, and Accomplishment Instructions accurate? Yes No If not, please explain: Is the Manpower estimate accurate? Yes No If not, please explain:
Give the completed evaluation form to your Boeing Field Service Representative or send the evaluation form directly to this address: Manager Service Bulletin Engineering Boeing Commercial Airplane Group P.O. Box 3707, Mail Stop 2H-37 Seattle, WA 98124-2207