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Commercial Airplanes 767 Service Bulletin Number: 767-28-0118 Original Issue: July 15, 2014 ATA System: 2821 2841 SUBJECT: FUEL - Fuel Quantity Indicating System (FQIS) - Built-In Test Equipment (BITE) Procedure Test and Fuel Overfill Shutoff Surge Tank Sensor Circuit Test Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.
9E991ECCN:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2014 Boeing.
Unpublished Work. All Rights Reserved.
Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.
Original Issue: July 15, 2014 767-28-0118 1 of 30
3.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 2 of 30 BOEING SERVICE BULLETIN 767-28-0118
BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected ........................................ 1 0 B. Concurrent Requirements ...................................... 1 0 C. Reason ................................................ 1 0 D. Description .............................................. 1 1 E. Compliance .............................................. 1 1 F. Approval ............................................... 1 4 G. Manpower .............................................. 1 4 H. Weight and Balance Changes .................................... 1 5 I. Electrical Load Data ......................................... 1 5 J. References .............................................. 1 5
1. Existing Data: ......................................... 1 5
2. Data Supplied with this Service Bulletin: ........................... 1 6
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 6 K. Publications Affected ........................................ 1 6 L. Interchangeability and Intermixability of Parts ........................... 1 6 M. Software Accomplishment Summary ................................ 1 6
2. MATERIAL INFORMATION ........................................ 1 7 A. Material - Price and Availability ................................... 1 7 B. Industry Support Information .................................... 1 7 C. Parts Necessary for Each Airplane ................................. 1 7
1. Kits/Parts ............................................ 1 7
2. Parts and Materials Supplied by the Operator ........................ 1 7
3. Parts Modified and Reidentified ................................ 1 7
4. Parts Removed and Not Replaced .............................. 1 7 D. Parts Necessary to Change Spares ................................. 1 7 E. Special Tooling - Price and Availability ............................... 1 7 F. Special Tooling Necessary to do this Service Bulletin ....................... 1 7
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 1 9 A. GENERAL INFORMATION ..................................... 1 9 B. WORK INSTRUCTIONS ....................................... 2 0 FIGURE 1: MAIN EQUIPMENT CENTER - FUEL QUANTITY PROCESSOR UNIT - INSPECT .... 2 9 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 3 of 30 BOEING SERVICE BULLETIN 767-28-0118
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 4 of 30 BOEING SERVICE BULLETIN 767-28-0118
BLANK PAGE
Commercial Airplanes 767 Service Bulletin SummaryNumber: 767-28-0118Original Issue: July 15, 2014 ATA System: 2821 2841 SUBJECT: FUEL - Fuel Quantity Indicating System (FQIS) - Built-In Test Equipment (BITE) Procedure Test and Fuel Overfill Shutoff Surge Tank Sensor Circuit Test
CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND This service bulletin is applicable to all previously delivered 767 freighter airplanes and Boeing Converted Freighter Airplanes that are not equiped with a Nitrogen Generation System (NGS). This service bulletin gives instructions to test the Fuel Quantity Indicating System (FQIS) for latent failures of system components by performing the "Fuel Quantity BITE Procedure" test of the Fuel Quantity Processor Unit (FQPU) to identify specific, non-dispatchable faults. If the BITE procedure detects FQIS in-tank failures, Operators must identify the faults using the appropriate FIM Section for troubleshooting and must fix the faults prior to releasing the airplane to normal service. This service bulletin also provides instructions to test the surge tank sensor circuits for latent failures using existing FIM procedures. If this service bulletin is not done an undetected (latent) Center Wing Tank FQIS in-tank short fault or latent surge tank sensor wiring fault under additional failure conditions could result in a potential source of ignition in a fuel tank.
Based on the Fuel Tank Flammability Reduction Rule requirements the 767 airplanes should have the Nitrogen Generating System (NGS) installed in order to reduce the Center Wing Tank flammability exposure. There is a potential that certain latent failures inside the tank combined with a hot short failure outside the tank may introduce an ignition source in the Center Wing Tank. The "Fuel Quantity BITE Procedure" displays faults and ensures that the Center Wing Tank Fuel Quantity Indicating System does not have these faults that could affect the tank safety. The Dry Capacitance test for the overfill shutoff surge tank sensor circuits ensures that the wiring for the Center Wing Tank does not have faults.
Boeing Service Related Problem (SRP) 767-SRP-28-149 is related to this service bulletin.
This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.
ReferenceAffectedPlanning Data Paragraph 1.A.2., Spares AffectedNoSpares Affected Paragraph 1.E., Compliance and Paragraph
1.F., Approval YesAD Related Paragraph 1.H., Weight and Balance ChangesNoWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 5 of 30
ReferenceAffectedPlanning Data Paragraph 1.K., Publications AffectedNoPublications Affected Paragraph 1.K., Publications AffectedNoAirplane Flight Operations Affected (Flight Crew Operations Manual and/or FAA Approved Airplane Flight Manual) Paragraph 2.C.1., Kits/PartsNoKits/Parts Required Paragraph 2.C.2., Parts and Materials Supplied by the Operator NoOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION Get access to Main Equipment Center (MEC) at the E2-4 electronics shelf, at the Fuel Quantity Processor Unit (FQPU).
Do the "Fuel Quantity BITE Procedure" to test the FQPU for in-tank faults.
After the test is complete check the FQPU if faults are detected.
1. If the BITE procedure is passing (there are no faults).
a. No action is required.
2. If the BITE procedure detects faults:
a. Isolate the fault codes.
b. Repair or replace damaged FQIS system wires or components before further flight to correct the faults detected.
c. Repeat the "Fuel Quantity BITE Procedure" to confirm that faults no longer exist.
Get access to the Electrical System Card File, P50, in the EE Bay.
Do the "Dry Capacitance Test" for the Left and Right Surge Tank Fuel Level Sensors.
Close access and put the airplane back to a serviceable condition.
EFFECTIVITY 767-300/-300F Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 6 of 30 BOEING SERVICE BULLETIN 767-28-0118
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the change given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION None.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 7 of 30 BOEING SERVICE BULLETIN 767-28-0118
BOEING SERVICE BULLETIN 767-28-0118 DO THE "FUEL QUANTITY BITE A PROCEDURE" TO MAKE SURE
THERE ARE NO FQIS FAULTS
FUEL QUANTITY
PROCESSOR UNIT (FQPU) (E2-4) P50 CARD FILE:
DO THE "DRY CAPACITANCE TEST"
FOR THE LEFT AND RIGHT SURGE MAIN EQUIPMENT CENTER
TANK FUEL LEVEL SENSORS TO TEST
THE SURGE TANK SENSOR CIRCUITS FOR LATENT FAILURES.
DISPLAY
DISPLAY MENU
BUTTONS MENU
BUTTONS
HONEYWELL
SIMMONDS/GOODRICH FUEL QUANTITY PROCESSOR UNIT 2327497 Original Issue: July 15, 2014 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 767-28-0118 Work - See page 1 for details. 8 of 30
Commercial Airplanes 767 Service Bulletin Number: 767-28-0118 Original Issue: July 15, 2014 ATA System: 2821 2841 SUBJECT: FUEL - Fuel Quantity Indicating System (FQIS) - Built-In Test Equipment (BITE) Procedure Test and Fuel Overfill Shutoff Surge Tank Sensor Circuit Test
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index D624T001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is applicable to 767-300/-300F, line numbers 269, 285,379, 432, 438, 463, 484, 556, 580, 590, 594, 598, 600, 616, 622, 624, 626, 628, 630, 632, 634, 636, 638, 640, 645, 660, 666, 670, 672, 674, 678, 682, 724, 726, 728, 730, 732, 756, 760, 764, 854, 858, 712, 778, 806, 846, 848, 860, 979, 983, 986, 988, 989, 991, 992, 885, 934, 936, 948, 937, 939, 947,956, 959 and 960 in two Group(s). The Variable Numbers and Group Information for the applicable airplanes is given below.
DESCRIPTIONCONFIGURATIONGROUP 767 Freighters Airplanes and Boeing Converted Freighters Airplanes (BCF) delivered with Goodrich FQIS that are not equipped with a Center Wing Tank Nitrogen Generation System (NGS) -1 767 Freighters Airplanes and Boeing Converted Freighters Airplanes (BCF) delivered with Honeywell FQIS that are not equipped with a Center Wing Tank Nitrogen Generation System (NGS) -2 Airplane Models:
767-300, 767-300F GroupVariable Number 2VN191 - VN194 1VN195 - VN197 2VN792 1VN921 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 9 of 30
GroupVariable Number 1VR201 - VR211 1VR251 1VR256 - VR260 1VR266 - VR272 1VT501 1VT511 - VT513 1VT521 - VT523 1VT531 - VT533 1VW701 - VW721 1VW851
2. Spares Affected None.
B. Concurrent Requirements None.
C. Reason This service bulletin is applicable to all previously delivered 767 freighter airplanes and Boeing Converted Freighter Airplanes that are not equiped with a Nitrogen Generation System (NGS). This service bulletin gives instructions to test the Fuel Quantity Indicating System (FQIS) for latent failures of system components by performing the "Fuel Quantity BITE Procedure" test of the Fuel Quantity Processor Unit (FQPU) to identify specific, non-dispatchable faults. If the BITE procedure detects FQIS in-tank failures, Operators must identify the faults using the appropriate FIM Section for troubleshooting and must fix the faults prior to releasing the airplane to normal service. This service bulletin also provides instructions to test the surge tank sensor circuits for latent failures using existing FIM procedures. If this service bulletin is not done an undetected (latent) Center Wing Tank FQIS in-tank short fault or latent surge tank sensor wiring fault under additional failure conditions could result in a potential source of ignition in a fuel tank.
Based on the Fuel Tank Flammability Reduction Rule requirements the 767 airplanes should have the Nitrogen Generating System (NGS) installed in order to reduce the Center Wing Tank flammability exposure. There is a potential that certain latent failures inside the tank combined with a hot short failure outside the tank may introduce an ignition source in the Center Wing Tank. The "Fuel Quantity BITE Procedure" displays faults and ensures that the Center Wing Tank Fuel Quantity Indicating System does not have these faults that could affect the tank safety. The Dry Capacitance test for the overfill shutoff surge tank sensor circuits ensures that the wiring for the Center Wing Tank does not have faults.
Boeing Service Related Problem (SRP) 767-SRP-28-149 is related to this service bulletin.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 10 of 30 BOEING SERVICE BULLETIN 767-28-0118
D. Description Get access to Main Equipment Center (MEC) at the E2-4 electronics shelf, at the Fuel Quantity Processor Unit (FQPU).
Do the "Fuel Quantity BITE Procedure" to test the FQPU for in-tank faults.
After the test is complete check the FQPU if faults are detected.
1. If the BITE procedure is passing (there are no faults).
a. No action is required.
2. If the BITE procedure detects faults:
a. Isolate the fault codes.
b. Repair or replace damaged FQIS system wires or components before further flight to correct the faults detected.
c. Repeat the "Fuel Quantity BITE Procedure" to confirm that faults no longer exist.
Get access to the Electrical System Card File, P50, in the EE Bay.
Do the "Dry Capacitance Test" for the Left and Right Surge Tank Fuel Level Sensors.
Close access and put the airplane back to a serviceable condition.
The work in this service bulletin is done in the maintenance zone(s) given below.
Group 1:
Affected Maintenance Zones ZoneModel 119, 521, 621767-300, 767-300F Group 2:
Affected Maintenance Zones ZoneModel 119, 521, 621767-300 E. Compliance The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 11 of 30 BOEING SERVICE BULLETIN 767-28-0118
Table 1: INSPECTION TO DETERMINE FQPU Repeat Interval (Not to Exceed) Compliance TimeActionCondition 750 flight hours. (a)Within 6 months after the original issue date of this Service Bulletin.
Inspect for part number on the FQPU to determine if the FQPU is SIM- MONDS/GOODRICH or HONEYWELL.
All Airplanes -At the times in Table 2.
Do the actions in Table 2.Airplanes with SIM-
MONDS/GOODRICH FQPU.
-At the times in Table 3.
Do the actions in Table 3.Airplanes with HONEY- WELL FQPU.
(a) Accomplishment of 767-47-0001, installation of Nitrogen Gas System is closing action for the repeat inspections.
Group 1:
Table 2: FUEL QUANTITY BITE PROCEDURE FOR AIRPLANES WITH SIMMONDS/GOODRICH
FUEL QUANTITY INDICATING SYSTEM (FQIS) Repeat Interval (Not to Exceed) Compliance TimeActionCondition 750 flight hours. (a)Within 6 months after the original issue date of this Service Bulletin.
Do PART 4: FUEL
QUANTITY BITE PROCE-
DURE - SIM-
MONDS/GOODRICH FQPU to Test the FQPU for in Tank Faults.
Group 1 Airplanes --Close assembly.CONDITION 1: TEST
COMPLETE FQIS FAULT
NOT FOUND Put the airplane back to a serviceable condition.
-Before further flight.
Identify the fault codes recorded during the BITE Procedure.
CONDITION 2: TEST
COMPLETE FQIS FAULT FOUND Repair or replace damaged FQIS system wires or components to correct the faults.
Repeat the "Fuel Quantity BITE Procedure" to confirm that FAULTS no longer exist.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: July 15, 2014 767-28-0118 12 of 30 BOEING SERVICE BULLETIN 767-28-0118