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Commercial Airplane Group 767 Service Bulletin Number: 767-57-0068 SummaryDate: September 16, 1999 ATA System: 5740 2781 2811 SUBJECT: WINGS - Leading Edge and Leading Edge Devices - Slat Track Housing Electrostatic Bond Rework
CONCURRENT REQUIREMENTS None
BACKGROUND Accomplishment of this service bulletin will provide an improved electrostatic bond path for the number 5 and 8 inboard slat track housing drain tube assemblies.
A production change (PRRB12900-133) was incorporated at Boeing to install a new slat track housing drain tube assembly for the number 5 and 8 inboard slat track. The purpose of this change was to prevent possible fuel leaks at these locations.
After production incorporation of the new drain tube assemblies, Boeing determined that the installation did not meet current required bonding specifications.
Incorporation of this service bulletin will ensure proper bonding of the number 5 and 8 inboard slat track drain tube assemblies.
ACTION (PRRB13024) Open the main tank and dry bay access panels.
Remove the bonding jumper assembly from the number 5 and 8 inboard slat track housing drain tube installations. Remove and replace the fasteners common to drain tube doubler assembly.
Install bonding jumper brackets to the rib stiffeners.
Install bonding jumpers between the drain tube assemblies and the brackets installed on the rib stiffeners. Close the main tank and dry bay access panels.
EFFECTIVITY All 767 airplanes line numbers 672 through 757.
COMPLIANCE Boeing recommends this service bulletin be completed within 5000 flight-cycles or 22 months, whichever is earlier from the release date of this service bulletin.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for airplanes in warranty as of September 29, 1998.
Please refer to Paragraph 2.B., Industry Support Information.
MANPOWER Total Elapsed Time Per Airplane Man-Hours (Hours) 25 7.5
MATERIAL INFORMATION Boeing Supplied Kits/Parts Refer to Paragraph 2.A., Material - Price and Availability.
767-57-0068 Summary Page 1 of 2
BOEING SERVICE BULLETIN 767-57-0068 RIB NO. 9
WING LOWER SKIN
HOUSING
SLAT TRACK
FRONT SPAR A ASEE
DOUBLER ASSEMBLY
TO THE DRAIN TUBE
THE FASTENERS COMMON
REMOVE AND REPLACE
REMOVE AND REPLACE EXISTING
BONDING JUMPER AND CLAMPS
INSTALL NEW BONDING
JUMPER AND BRACKET
FWD INBD UP S96564 September 16, 1999 767-57-0068 Summary Page 2 of 2
Commercial Airplane Group 767 Service Bulletin Number: 767-57-0068 Date: September 16, 1999 ATA System: 5740 2781 2811 SUBJECT: WINGS - Leading Edge and Leading Edge Devices - Slat Track Housing Electrostatic Bond Rework
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 PRRB13024 for data about this change.
Airplane Models:
767-300 767-300F
IDENTIFICATION BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABLE NUMBER
AEROMEXICO (AMX) VS211
AIR DO (HIA) VS176
AIR MADAGASCAR (MAD) VS316
AIR NEW ZEALAND (ANZ) VN658 AIR 2000 (ATZ) VS216
ALITALIA (ALI) VS366-VS367 VS401
ALL NIPPON AIRWAYS (ANA) VR401
AMERICAN AIRLINES (AAL) VS196-VS203
ASIANA AIRLINES (AAR) VR426 September 16, 1999 767-57-0068 Page 1 of 16
BOEING SERVICE BULLETIN 767-57-0068
BOEING (TBC) VY999
BRITANNIA AIRWAYS (BRI) VS051-VS054
BRITISH AIRWAYS (BAB) VS246-VS248
CITY BIRD (CBD) VS177
DELTA AIR LINES (DAL) VN274-VN276 VR471-VR472 VS066-VS070 VS073-VS078 VS266-VS272
ETHIOPIAN AIRLINES (ETH) VS306
JAPAN AIRLINES (JAL) VK016 VK186 VR461
KLM - ROYAL DUTCH AIRLINES (KLM) VS136
LAN PERU (LPU) VN970
LANCHILE AIRLINES (LAN) VR251 VS131-VS133
LAPA ARGENTINA (LAZ) VS111
LAUDA AIR (LAL) VS301
LTU (LTU) VS061
QANTAS (QAN) VS186-VS187
SHANGHAI AIRLINES (SHA) VR421
SKYMARK AIRLINES (SKM) VS261-VS262
TWA (TWA) VS206-VS207
UNITED AIRLINES (UAL) VS091-VS096
UPS (UPS) VR201-VR207 VW719-VW721 September 16, 1999 767-57-0068 2
BOEING SERVICE BULLETIN 767-57-0068
IDENTIFICATION BY VARIABLE NUMBER VK016 VK186 VN274-VN276 VN658 VN970 VR201-VR207 VR251 VR401 VR421 VR426 VR461 VR471-VR472 VS051-VS054 VS061 VS066-VS070 VS073-VS078 VS091-VS096 VS111 VS131-VS133 VS136 VS176-VS177 VS186-VS187 VS196-VS203 VS206-VS207 VS211 VS216 VS246-VS248 VS261-VS262 VS266-VS272 VS301 VS306 VS316 VS366-VS367 VS401 VW719-VW721 VY999
2. Spares Affected None September 16, 1999 767-57-0068 3
BOEING SERVICE BULLETIN 767-57-0068 B. Concurrent Requirements None C. Reason Accomplishment of this service bulletin will provide an improved electrostatic bond path for the number 5 and 8 inboard slat track housing drain tube assemblies.
A production change (PRRB12900-133) was incorporated at Boeing to install a new slat track housing drain tube assembly for the number 5 and 8 inboard slat track. The purpose of this change was to prevent possible fuel leaks at these locations. After production incorporation of the new drain tube assemblies, Boeing determined that the installation did not meet current required bonding specifications.
Incorporation of this service bulletin will ensure proper bonding of the number 5 and 8 inboard slat track drain tube assemblies.
D. Description Open the main tank and dry bay access panels. Remove the bonding jumper assembly from the number 5 and 8 inboard slat track housing drain tube installations. Remove and replace the fasteners common to drain tube doubler assembly. Install bonding jumper brackets to the rib stiffeners. Install bonding jumpers between the drain tube assemblies and the brackets installed on the rib stiffeners. Close the main tank and dry bay access panels.
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.
E. Compliance Boeing recommends this service bulletin be completed within 5000 flight-cycles or 22 months, whichever is earlier from the release date of 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.
September 16, 1999 767-57-0068 4
BOEING SERVICE BULLETIN 767-57-0068 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 Main Tank and Dry Bay Access Panels 4 13 3.25 Remove and Install Bonding Assembly 2 2 1 Close Main Tank Access Panels / Refuel 4 7 1.75 Perform Leak Check 2 2 1 Close Dry Bay Access Panels 2 1 .5 TOTAL FOR EACH AIRPLANE 25 7.5 H. Weight and Balance Changes Change in Weight Change in Moment Airplane (Pounds) (Pound-Inches) + 0.4 lbs + 364.0 lb-in I. Electrical Load Data Not changed September 16, 1999 767-57-0068 5
BOEING SERVICE BULLETIN 767-57-0068 J. References
1. Existing Data:
a. Engineering Change Memo PRRB13024
b. 767 Maintenance Manual (AMM) Subject 12-11-01, 28-11-00 and 28-26-00
c. Boeing Standard Wiring Practices Manual (BSWPM) 20-20-00
d. Boeing Standard Overhaul Practices Manual (BSOPM) 20-11-03, 20-41-02, 20-43-03, and 20-50-19
2. Data supplied with this service bulletin:
None
3. Installation Drawings Used in the Preparation of This Service Bulletin:
Drawing Number Title 112T2019 Drain Tube Installation 112T5090 Rib Installation These drawings were used to prepare this service bulletin. These drawings are not necessary to make the specified changes, and are not supplied with this service bulletin. These drawings may not be applicable to all airplane configurations or operators.
K. Publications Changed Publication Chapter-Section 767 Illustrated Parts Catalog 57-40 767 Maintenance Manual 12-21, 28-11 L. Interchangeability and Intermixability of Parts None September 16, 1999 767-57-0068 6
BOEING SERVICE BULLETIN 767-57-0068
2. MATERIAL INFORMATION A. Material - Price and Availability Boeing can supply the kits shown in Paragraph 2.C., Parts Necessary For Each Airplane, as shown below. If there is a limit in the quantity (QTY) of kits, a supply sequence is given by Spares.
Unit Price thru Kit Number Name Date QTY Jan 31/00 015T1623-1 Top Kit Nov 9/99 87 $ 322.00 The kits are subject to the terms and conditions of the Boeing standard purchase order acknowledgment. After the Unit Price date, new price data is applicable. Prices are in United States dollars. Terms: Net 30 days.
Send purchase orders and letters about the supply data to the Director of Spares and refer to this service bulletin number.
B. Industry Support Information Boeing warranty remedies are available for 767 airplanes in warranty as of September 29, 1998. For man-hour reimbursement for airplanes in warranty as of that date, send a warranty claim to Boeing Product Assurance Contracts. The kits for airplanes in warranty as of that date will be supplied at no charge. Send a purchase order for the kits to Boeing Spares. Please refer to this service bulletin number and reference the airplane variable number in your purchase order.
C. Parts Necessary For Each Airplane
1. Kits:
To get the kits shown below, refer to Paragraph 2.A., Material - Price and Availability.
NOTE: One top kit and the items shown in Paragraph 2.C.2., Parts and Materials Supplied by the Operator, are necessary for each airplane.
015T1623 TOP KIT - SLAT TRACK HOUSING ELECTROSTATIC
BONDING -2 -1 Quantity Part Number Name . - 015T1623-1 Top Kit
- 2 015T1623-2 Sub Kit 1 . 287T0020-325 Bracket 12 . BACB30FP6A4 Bolt 12 . BACC30M6 Collar 1 . BACJ40AC44-6 Jumper 1 . BACJ40AC44-8 Jumper 2 . BACN10YR3CD Nut 1 . BACN10YR3CM Nut 4 . BACR15FT6AD6 Rivet 1 . BACS12GU3K8 Screw 1 . BACS12GU3K9 Screw September 16, 1999 767-57-0068 7
BOEING SERVICE BULLETIN 767-57-0068 (Continued) 015T1623 TOP KIT - SLAT TRACK HOUSING ELECTROSTATIC
BONDING -2 -1 Quantity Part Number Name 4 . NAS1149C0316R Washer 2 . NAS1149C0363R Washer 5 . NAS1149D0316H Washer 2 . NAS1149D0363H Washer 1 . AN735C8 Clamp, 1 . AN735DC8 Clamp,
(a) The kit has more parts than are necessary for installation. Discard parts that are not used or keep the parts for spares.
(c) If grip length shown is not available at Boeing, fasteners supplied in kits may be one grip length longer than indicated.
2. Parts and Materials Supplied by the Operator:
QTY Part Number {Specification} Name 8 ounces BMS 10-20 Type II (a) Primer 8 ounces BMS 5-45 Class C (a) Sealant
(a) See the Qualified Products List at the end of the Boeing Material Specification (BMS) for supplier data.
D. Parts Necessary to Change Spares None E. Existing Parts Accountability None 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.
September 16, 1999 767-57-0068 8
BOEING SERVICE BULLETIN 767-57-0068
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. Unless shown differently, these dimensions and tolerances are used:
- Linear dimensions are in inches
- Tolerance on linear dimensions, other than rivet and bolt edge margins, is plus or minus 0.03 inch
- Tolerance on rivet and bolt edge margin is plus or minus 0.05 inch
- Angular tolerance is plus or minus 2 degrees
- Hole dimensions for standard solid rivets are given in 767 Structural Repair Manual, Chapter 51
- Torque limits to tighten nuts and bolts are given in 767 Structural Repair Manual, Chapter 51.
3. Alternative fasteners are given in 767 Structural Repair Manual, Chapter 51.
4. Obey all of the warnings and cautions given in the specified manual sections.
5. As an alternative to the Boeing specified manuals, operators equivalent procedures can be used.
WORK INSTRUCTIONS A. Defuel the main tanks as specified in 767 AMM 28-26-00.
B. Open the main tank and dry bay access panels listed below as specified in 767 AMM 28-11-00, to access the number 5 and 8 inboard slat track housing drain tube assembly.
Panel Number Location 533AB Left Wing Dry Bay 633AB Right Wing Dry Bay 532FB Left Wing Main Tank 632FB Right Wing Main Tank C. Replace the bonding jumper assembly for the number 5 and 8 inboard slat track housing drain tube installation as shown in Figure 1.
D. Close the main tank access panels listed below as specified in 767 AMM 28-11-00.
Panel Number Location 532FB Left Wing Main Tank 632FB Right Wing Main Tank September 16, 1999 767-57-0068 9
BOEING SERVICE BULLETIN 767-57-0068 E. Refuel the main tanks as specified in 767 AMM 12-11-01.
NOTE: A minimum of 4400 gallons of fuel is required in each wing tank to adequately check for fuel leaks of the slat track drain tube assembly.
F. Perform a visual inspection of the number 5 and 8 inboard slat track housing drain tube opening, located in the dry bay to make sure there are no fuel leaks.
G. Close the dry bay access panels listed below as specified in 767 AMM 28-11-00.
Panel Number Location 533AB Left Wing Dry Bay 633AB Right Wing Dry Bay H. Put the airplane back to a serviceable condition.
September 16, 1999 767-57-0068 10