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Commercial Airplanes MD80 Service Bulletin ALERT Number: MD80-57A244 Original Issue: March 03, 2016 ATA System: 5732 SUBJECT: WINGS - Lower Wing Skin - Inspection of Left Side and Right Side Center Wing Lower Skin 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 © 2016 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Unpublished Work.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: March 03, 2016 MD80-57A244 1 of 37
4.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: March 03, 2016 MD80-57A244 2 of 37 BOEING SERVICE BULLETIN MD80-57A244
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BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected13
B. Concurrent Requirements13
C. Reason13
D. Description14
E. Compliance14
F. Approval15
G. Manpower16
H. Weight and Balance Changes16
I. Electrical Load Data16
J. References16
1. Existing Data:16
2. Data Supplied with this Service Bulletin:16
3. Installation Drawings Used in the Preparation of this Service Bulletin:17
K. Publications Affected17
L. Interchangeability and Intermixability of Parts17
M. Software Accomplishment Summary17
2. MATERIAL INFORMATION19
A. Material - Price and Availability19
B. Industry Support Information19
C. Parts Necessary for Each Airplane19
1. Kits/Parts19
2. Parts and Materials Supplied by the Operator19
3. Parts Modified and Reidentified19
4. Parts Removed and Not Replaced19
D. Parts Necessary to Change Spares19
E. Special Tooling - Price and Availability19
F. Special Tooling Necessary to do this Service Bulletin20
3. ACCOMPLISHMENT INSTRUCTIONS21
A. GENERAL INFORMATION21
B. WORK INSTRUCTIONS23
FIGURE 1: OPEN ACCESS - LEFT SIDE24
FIGURE 2: INSPECTION - LEFT SIDE26
FIGURE 3: CLOSE ACCESS - LEFT SIDE29
FIGURE 4: OPEN ACCESS - RIGHT SIDE31
FIGURE 5: INSPECTION - RIGHT SIDE33
FIGURE 6: CLOSE ACCESS - RIGHT SIDE36
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: March 03, 2016 MD80-57A244 3 of 37 BOEING SERVICE BULLETIN MD80-57A244
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: March 03, 2016 MD80-57A244 4 of 37 BOEING SERVICE BULLETIN MD80-57A244
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Commercial Airplanes MD80 Service Bulletin ALERT SummaryNumber: MD80-57A244Original Issue: March 03, 2016 ATA System: 5732 SUBJECT: WINGS - Lower Wing Skin - Inspection of Left Side and Right Side Center Wing Lower Skin
THIS BULLETIN 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 SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
CONCURRENT REQUIREMENTS None.
BACKGROUND This service bulletin does an external Eddy Current, High Frequency (ETHF) inspection for any crack around fastener heads or nuts on the left side and right side center wing lower skin. The ETHF inspection is done at the area of the left side and right side center wing lower skin common to Stringers S-15, S-16, and S-17 under the wing/fuselage fillet panel. If Stringer S-15, S-16, or S-17 is cracked in this area and there is a crack in the skin adjacent to the stringer crack, then the skin crack could grow to a critical length before it can be found by routine maintenance inspections. If the inspection in this service bulletin is not done, a crack in the center wing lower skin could grow to a critical length before being found by routine maintenance inspections which could cause structural failure of the wings.
There have been five reports of cracks at Stringers S-15, S-16, or S-17, associated end fittings and skins in the center wing fuel tank where the stringers meet the end fittings near Xcw=13 and Xcw=15. The table below shows, for each reported case of cracks, where the cracks occurred, and the flight cycles and hours of the airplane at the time of the crack. In four of the five reports, the cracks were discovered while doing Maintenance Planning Document (MPD) item 57-086-02 during scheduled maintenance. The cause of the cracks is determined to be fatigue.
NotesFlight Cycles/ Flight Hours Structure CrackedDateReport Scheduled Maintenance 42,247 / 78,873Stringer 17 RightJuly 20141 Found during fuel leak investigation 44,147 / 61,208Stringer 17 Left, Fwd Skin, Aft Skin April 20152 Scheduled Maintenance 56,908 / 74,240Stringer 17 Right, Fwd Skin, Aft Skin July 20153 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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NotesFlight Cycles/ Flight Hours Structure CrackedDateReport Scheduled Maintenance 43,756 / 60,690Stringer 15 and 16 Right, four end fittings (two per stringer) August 20154 Scheduled Maintenance 45,421 / 63,168Stringer 17 Left and Stringer 17 Right January 20165 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 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 YesOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION Get access to the left side and right side lower surface of the center wing lower skin at stringers S-15, S-16, and S-17 at approximately Xcw=15 and do an ETHF inspection for any crack at 12 fastener locations at Stringer S-15, 12 fastener locations at stringer S-16, and 14 fastener locations at stringer S-17. At each fastener location, do the ETHF inspection around the fastener heads or nuts for any crack in the adjacent skin.
If any crack is found, contact The Boeing Company for inspection and repair instructions and do the inspection and repair. If no crack is found, repeat ETHF inspections for any crack in the left side and right side center wing lower skin.
EFFECTIVITY All DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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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.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspection given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Operator Supplied Parts/Materials.
Refer to Paragraph 2.A., Material - Price and Availability.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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BOEING SERVICE BULLETIN MD80-57A244
ALERT ALERT ~ S-17 S-16 BUTT SPLICE S-15
CENTER WING
LOWER SKIN
EXTERNAL
DOUBLER FWD
DO AN ETHF INSPECTION AROUND
THE FASTENER HEADS OR COLLARS
FOR ANY CRACK IN THE CENTER
WING LOWER SKIN (VIEW LOOKING UP) 2481761 Original Issue: March 03, 2016 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished MD80-57A244 Work - See page 1 for details. 8 of 37
Commercial Airplanes MD80 Service Bulletin ALERT Number: MD80-57A244 Original Issue: March 03, 2016 ATA System: 5732 SUBJECT: WINGS - Lower Wing Skin - Inspection of Left Side and Right Side Center Wing Lower Skin
THIS BULLETIN 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 SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes This service bulletin is for the airplanes shown below.
DESCRIPTIONCONFIGURATIONGROUP All DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes.
-1 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 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupFuselage Number 1948 1950 1952 - 953 1955 1957 - 958 1960 1962 - 963 1965 - 967 1969 1970 - 971 1973 - 975 1977 - 979 1981 1983 1985 - 986 1988 - 989 1991 - 992 1994 - 999 11000 - 1013 11015 - 1016 11018 - 1020 11022 - 1023 11025 - 1026 11028 - 1029 11031 - 1032 11034 - 1035 11037 - 1038 11040 - 1041 11043 11045 11047 11049 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupFuselage Number 11051 11053 11055 11057 11059 - 1080 11082 - 1083 11085 - 1099 11100 - 1199 11200 - 1299 11300 - 1399 11400 - 1499 11500 - 1599 11600 - 1699 11700 - 1799 11800 - 1899 11900 - 1999 12000 - 2007 12009 - 2016 12019 - 2034 12036 - 2069 12071 - 2093 12101 - 2114 12116 12118 - 2119 12121 12124 12127 - 2128 12130 12132 12134 - 2135 12137 12139 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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GroupFuselage Number 12145 12148 12151 - 2152 12155 12167 12174 12176 12178 12180 12183 12185 12187 12189 12192 12196 12199 12201 12204 12206 12208 12214 12218 12234 12239 12241 12244 12247 12249 12252 12254 12264 - 2287 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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