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Commercial Airplanes MD80 Requirements Bulletin ALERT Number: MD80-57A246 RB Original Issue: December 17, 2021 ATA System: 5712 5713 SUBJECT: WINGS - Main Frame - Left and Right Side Center Wing Lower Stringers S-11 Through S-22 Replacement 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:
Copyright © 2021 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Unpublished Work.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: December 17, 2021 MD80-57A246 RB 1 of 10
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Table of Contents
1 . E F F E C T I V I T Y5
A . A i r p l a n e s5
B . S p a r e s A f f e c t e d7
2. CONCURRENT REQUIREMENTS7
3 . C O M P L I A N C E7
4. APPROVAL7
5. ACCOMPLISHMENT INSTRUCTIONS9
A. General Information9
B . W o r k I n s t r u c t i o n s ........................................... 1 0 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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Commercial Airplanes MD80 Requirements Bulletin ALERT Number: MD80-57A246 RB Original Issue: December 17, 2021 ATA System: 5712 5713 SUBJECT: WINGS - Main Frame - Left and Right Side Center Wing Lower Stringers S-11 Through S-22 Replacement
THIS DOCUMENT IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH 1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER. THIS IS AN ENHANCED REQUIRED FOR COMPLIANCE DOCUMENT. THE BOEING
PROCESSES USED TO CREATE THE SERVICE BULLETIN (SB) AND THE REQUIREMENTS BULLETIN (RB) ENSURE THAT THE INFORMATION BETWEEN "RC START" AND "RC END" IN THE SB ARE IDENTICAL TO THE INFORMATION IN THE SAME SECTIONS (COMPLIANCE, WORK INSTRUCTIONS…) OF THE RB WHICH THE SB REFERS TO AS THE RELATED DOCUMENT.
1. Effectivity A. Airplanes This bulletin is applicable to DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88 Airplane(s), line number(s) 909, 917, 924, 938, 941, 944, 946, 948, 950, 952-953, 955, 957-958, 960, 962-963, 965-967, 969-971, 973-975, 977-979, 981, 983, 985-986, 988-989, 991-992, 994-999, 1000-1013, 1015-1016, 1018-1020, 1022-1023, 1025-1026, 1028-1029, 1031-1032, 1034-1035, 1037-1038, 1040-1041, 1043, 1045, 1047, 1049, 1051, 1053, 1055, 1057, 1059-1080, 1082-1083, 1085-2007, 2009-2016, 2019-2034, 2036-2069, 2071-2093, 2101-2114, 2116, 2118-2119, 2121, 2124, 2127-2128, 2130, 2132, 2134-2135, 2137, 2139, 2145, 2148, 2151-2152, 2155, 2167, 2174, 2176, 2178, 2180, 2183, 2185, 2187, 2189, 2192, 2196, 2199, 2201, 2204, 2206, 2208, 2214, 2218, 2234, 2239, 2241, 2244, 2247, 2249, 2252, 2254, 2264-2287 in 3 Group(s). Where the effectivity is presented with hyphens between line numbers, the airplane applicability means "through" and "inclusive", e.g. line numbers 1-9 means line numbers 1 through 9 inclusive.
The Variable Numbers and Group Information for the applicable airplanes is given below.
DESCRIPTIONCONFIGURATIONGROUP DC-9-81 (MD-81) and DC-9-82 (MD-82) airplanes with baseline center wing lower stringers.
-1 DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87) and MD-88 airplanes with redesigned center wing lower stringer 17.
-2 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 17, 2021 MD80-57A246 RB 5 of 10
DESCRIPTIONCONFIGURATIONGROUP DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87) and MD-88 airplanes with redesigned center wing lower stringer 11 and stringer 17.
-3 Airplane Models:
DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88 GroupFuselage Number 1909 1917 1924 1938 1941 1944 1946 1948 1950 1952 - 953 1955 1957 - 958 1960 1962 - 963 1965 - 967 1969 - 971 1973 - 975 1977 - 979 1981 1983 1985 - 986 1988 - 989 1991 - 992 1994 - 1013 11015 - 1016 GroupFuselage Number 11018 - 1020 11022 - 1023 11025 - 1026 11028 - 1029 11031 - 1032 11034 - 1035 11037 - 1038 11040 - 1041 11043 11045 11047 11049 11051 11053 11055 11057 11059 - 1080 11082 - 1083 11085 - 1168 21169 11170 - 1193 21194 - 1771 31772 21773 - 1797 31798 GroupFuselage Number 21799 - 1806 31807 21808 - 1865 31866 - 2007 32009 - 2016 32019 - 2034 32036 - 2069 32071 - 2093 32101 - 2114 32116 32118 - 2119 32121 32124 32127 - 2128 32130 32132 32134 - 2135 32137 32139 32145 32148 32151 - 2152 32155 32167 32174 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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GroupFuselage Number 32176 32178 32180 32183 32185 32187 32189 32192 32196 GroupFuselage Number 32199 32201 32204 32206 32208 32214 32218 32234 32239 GroupFuselage Number 32241 32244 32247 32249 32252 32254 32264 - 2287 -- -- B. Spares Affected None.
2. CONCURRENT REQUIREMENTS None.
3. COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements Bulletin MD80-57A246 RB. The Airworthiness Directive will make the compliance tasks and times given in Requirements Bulletin MD80-57A246 RB mandatory.
Accomplish the required action, based on the applicable condition in Table 1, in accordance with Accomplishment Instructions.
Table 1: Wings - Center Wing Lower Stringers S-11 Through S-22 - Replacement Repeat Interval (Not to Exceed) Compliance TimeActionCondition -Before 81,740 Total Flight Cycles.
Contact The Boeing Company for replacement instructions and do the replacement of the center wing lower stringers S-11 through S-22 between Xcw=0 to Xcw=121.688 left and right sides.
All airplanes.
4. APPROVAL This Requirements Bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this document comply with the applicable regulations and are FAA approved. This document and its approval were based on the airplane in its original Boeing delivery configuration or as modified by other Boeing changes.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this Requirements Bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this Requirements Bulletin.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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5. ACCOMPLISHMENT INSTRUCTIONS A. GENERAL INFORMATION
IF ELECTRICAL POWER IS APPLIED TO THE AIRPLANE, MAKE SURE YOU OBEY ALL PRECAUTIONS WHILE YOU DO WORK. IF YOU DO NOT OBEY THE
PRECAUTIONS, DEATH OR INJURY TO PERSONS, AND DAMAGE TO THE AIRPLANE CAN OCCUR.WARNING ELECTRICALLY GROUND THE AIRPLANE. THIS WILL HELP TO PREVENT DAMAGE TO THE AIRPLANE OR EQUIPMENT.CAUTION
KEEP THE WORK AREA, WIRES AND ELECTRICAL BUNDLES CLEAN OF METAL PARTICLES OR CONTAMINATION WHEN YOU USE TOOLS. UNWANTED
MATERIAL, METAL PARTICLES OR CONTAMINATION CAUGHT IN WIRE BUNDLES CAN CAUSE DAMAGE TO THE BUNDLES. DAMAGED WIRE BUNDLES CAN CAUSE SPARKS OR OTHER ELECTRICAL DAMAGE.
CAUTION NOTE: 1. This is an Enhanced Required for Compliance document. There will be a separate Service Bulletin (SB) and a separate Requirements Bulletin (RB). If an RB is mandated by an Airworthiness Directive (AD), then all applicable requirements specified in the RB must be done. For the related SB, some locations are marked RC Start and RC End to identify the requirements that are restated from the RB. For the related SB, the areas between RC Start and RC End, including sub-steps and any figures identified between RC Start and RC End, must be done to comply with the AD.
Therefore, an Alternative Method of Compliance (AMOC) is required for any deviations to steps between RC Start and RC End, including substeps and identified figures.
For the related SB, the steps not between RC Start and RC End may be deviated from using accepted methods in accordance with the operator's maintenance or inspection program without obtaining approval of an AMOC; this is provided that the steps between RC Start and RC End, including sub-steps and identified figures, can still be done as specified, and the airplane can be put back in an airworthy condition.
Figures not required for compliance are omitted from the RB.
2. This is an Enhanced Required for Compliance document. The Boeing processes used to create the Service Bulletin (SB) and the Requirements Bulletin (RB) ensure that the information between "RC Start" and "RC End" in the SB are identical to the information in the same sections (Compliance, Work Instructions...) of the RB which the SB refers to as the related document.
3. The compliance times for the actions in WORK INSTRUCTIONS are in Compliance.
4. 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 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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– Hole dimensions for standard solid rivets and fasteners are in Structural Repair Manual (SRM) Chapter 51 – Torque Values:
— Values for structural fasteners are given in MD-80 Structural Repair Manual, Chapter 51.
— Values for airframe maintenance tasks are included in Chapter 20 of MD-80 Aircraft Maintenance Manual (AMM).
— Values for electrical maintenance tasks are included in Chapter 20 of Standard Wiring Practices Manual (SWPM).
— Values for engine maintenance tasks are included in Chapter 70 of MD-80 Aircraft Maintenance Manual (AMM).
— Non-standard torque values for maintenance tasks are included in the applicable installation step.
5. These work instructions refer to procedures included in other Boeing documents.
When the words "refer to" are used and the operator has an accepted alternative procedure, the accepted alternative procedure can be used. When the words "in accordance with" are included in the instruction, the procedure in the Boeing document must be used.
6. If it is necessary to remove more parts for access, you can remove those parts. If you can get access without removing identified parts, it is not necessary to remove all of the identified parts. Jacking and shoring limitations must be observed.
B. WORK INSTRUCTIONS Actions Required for Compliance
1. Requirements Table 1: Wings - Center Wing Lower Stringers S-11 Through S-22 - Replacement Refer to the listed procedures in SB MD80-57A246 Original Issue or later approved revisions as an accepted procedure.
Method of ComplianceActionCondition PART 1: OPEN ACCESS.
-Contact The Boeing Company for replacement instructions and do the replacement of the center wing lower stringers S-11 through S-22 between Xcw=0 to Xcw=121.688 left and right sides.
All airplanes PART 2: CLOSE ACCESS.
- Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: December 17, 2021 MD80-57A246 RB 10 of 10 REQUIREMENTS BULLETIN MD80-57A246