TextPartly OCR
Some pages are OCR from a scan. OCR can misread letters and numbers.
Query with SQL
duckdb -csv -c "SELECT p.page, p.text_source, p.text, f.rights_holder, f.license FROM 'https://openairdocs.org/data/latest/service_document_file_page.parquet' p JOIN 'https://openairdocs.org/data/latest/service_document_file.parquet' f USING (file_sha256) WHERE p.file_sha256 = 'e9b4a06896845c0055c1241a893c39ced136ecb62e26de42aa4a74c8a8412180' ORDER BY p.page"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT p.page, p.text_source, p.text, f.rights_holder, f.license FROM 'https://openairdocs.org/data/latest/service_document_file_page.parquet' p JOIN 'https://openairdocs.org/data/latest/service_document_file.parquet' f USING (file_sha256) WHERE p.file_sha256 = 'e9b4a06896845c0055c1241a893c39ced136ecb62e26de42aa4a74c8a8412180' ORDER BY p.page
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
McDonnell DouglasCommercial Airplanes MD90 Service Bulletin ALERT Number: MD90-53A031 Original Issue: April 10, 2009 ATA System: 5310 SUBJECT: FUSELAGE - Fuselage Main Frame - Inspect Overwing Frames for Cracks Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 730-774). 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2009 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter. Boeing also claims copyright in this document as a compilation and/or collective work.
This document includes proprietary information owned by The Boeing Company and/or one or more third parties.
Treatment of the document and the information it contains is governed by contract with Boeing. For more information, contact The Boeing Company, P .O. Box 3707, Seattle, Washington 98124.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, Poseidon and the Boeing livery 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.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 1 of 35
2.0
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 2 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
BLANK PAGE
Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected ........................................ 1 1 B. Concurrent Requirements ...................................... 1 1 C. Reason ................................................ 1 1 D. Description .............................................. 1 1 E. Compliance .............................................. 1 2 F . Approval ............................................... 1 3 G. Manpower .............................................. 1 3 H. Weight and Balance Changes .................................... 1 4 I. Electrical Load Data ......................................... 1 5 J. References .............................................. 1 5
1. Existing Data .......................................... 1 5
2. Data supplied with this Service Bulletin ............................ 1 5
3. Installation Drawings Used in the Preparation of this Service Bulletin ............ 1 5 K. Publications Affected ......................................... 1 5 L. Interchangeability and Intermixability of Parts ........................... 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 8
1. Kits/Parts ............................................ 1 8
2. Parts and Materials Supplied by the Operator ........................ 2 2
3. Parts Modified and Reidentified ................................ 2 3
4. Parts Removed and Not Replaced .............................. 2 3 D. Parts Necessary to Change Spares ................................. 2 3 E. Special Tooling - Price and Availability ............................... 2 3 F . Special Tooling Necessary to do this Service Bulletin ....................... 2 4
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 5 A. GENERAL INFORMATION ..................................... 2 5 B. WORK INSTRUCTIONS ....................................... 2 6 FIGURE 1: DETAILED VISUAL INSPECTION - OVERWING FRAMES ................. 2 9 FIGURE 2: EDDY CURRENT, HIGH FREQUENCY INSPECTION - OVERWING FRAMES ...... 3 1 FIGURE 3: BLEND-OUT REPAIR - FRAME TAB UPPER RADIUS .................... 3 3 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 3 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 4 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
BLANK PAGE
McDonnell DouglasCommercial Airplanes MD90 Service Bulletin ALERT SummaryNumber: MD90-53A031Original Issue: April 10, 2009 ATA System: 5310 SUBJECT: FUSELAGE - Fuselage Main Frame - Inspect Overwing Frames for Cracks
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 There have been over forty reports of overwing frames cracking on MD-80 airplanes having logged between 19,876 and 41,166 flight cycles. There is no report of a cracked overwing frame on an MD-90 airplane but due to similarity in frame design, the MD-90's are susceptible to cracks. The cracks, which originate in the upper radius of the frame inboard tab just below the floor, were caused by fatigue. Boeing has determined that MD-90 overwing frames at Stations 883, 902, 924, 943 and 962 are also susceptible to this type of failure. All the noted frames are a part of MD-90 Principal Structural Element (PSE) 53.12.09.1 Inspection of the overwing frames from Station 883 to 962 on left and right sides will determine if cracks exist. If not corrected, an undetected crack may sever the frame, which may increase the loading of adjacent frames and result in damage to adjacent structure and extensive repair, or ultimately could lead to the loss of overall structural integrity of the airplane.
ACTION This service bulletin provides instructions to do a general visual inspection and a high frequency eddy current inspection of the overwing frames at Stations 883, 902, 924, 943 and 962 on left and right sides. The purpose of these inspections is to detect fatigue cracks in the upper radius of the frame tab. Based on inspection results, do as follows:
Condition 1 (No Crack)
1. Does repetitive inspections of the overwing frames for cracks.
Condition 2 (Crack Less than 0.125 Inch in Depth)
1. Does a blend-out repair of the crack.
2. Does repetitive inspections of the overwing frames for cracks.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 5 of 35
Condition 3 (Crack is Equal To or Greater Than 0.125 Inch in Depth)
1. Replaces the cracked overwing frame.
2. Does repetitive inspections of the overwing frames for cracks.
EFFECTIVITY All MD-90-30 Airplanes. Refer to Paragraph 1.A.1., Airplanes for the list of affected airplanes.
COMPLIANCE Refer to Paragraph 1.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.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the inspection and/or repair procedures given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 6 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
BOEING SERVICE BULLETIN MD90-534031
ALERT ALERT STA Y=962.000 STA Y=943.000 STA Y=924.000 STA Y=902.000 STA Y=883.000 D0000 000
INSPECT OVERWING
FRAMES FOR CRACKS 1732686 Original Issue: April 10, 2009 MD90-53A031 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 7 of 35
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 8 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
BLANK PAGE
McDonnell DouglasCommercial Airplanes MD90 Service Bulletin ALERT Number: MD90-53A031 Original Issue: April 10, 2009 ATA System: 5310 SUBJECT: FUSELAGE - Fuselage Main Frame - Inspect Overwing Frames for Cracks
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 MD-90 Airplanes-1 Airplane Models:
MD-90-30 GroupFuselage Number 12094 - 2100 12115 12117 12120 12122 - 2123 12125 - 2126 12129 12131 12133 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 9 of 35
GroupFuselage Number 12136 12138 12140 - 2144 12146 - 2147 12149 - 2150 12153 - 2154 12156 - 2159 12161 - 2166 12169 - 2171 12173 12175 12177 12179 12181 - 2182 12184 12186 12190 - 2191 12193 - 2195 12197 - 2198 12200 12202 - 2203 12205 12207 12209 - 2213 12215 - 2217 12219 - 2233 12235 - 2237 12240 12243 12245 12248 12250 - 2251 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 10 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
GroupFuselage Number 12253 12255 - 2263 12288 - 2290 14001 - 4002
2. Spares Affected None.
B. Concurrent Requirements None.
C. Reason There have been over forty reports of overwing frames cracking on MD-80 airplanes having logged between 19,876 and 41,166 flight cycles. There is no report of a cracked overwing frame on an MD-90 airplane but due to similarity in frame design, the MD-90's are susceptible to cracks. The cracks, which originate in the upper radius of the frame inboard tab just below the floor, were caused by fatigue.
Boeing has determined that MD-90 overwing frames at Stations 883, 902, 924, 943 and 962 are also susceptible to this type of failure. All the noted frames are a part of MD-90 Principal Structural Element (PSE) 53.12.09.1 Inspection of the overwing frames from Station 883 to 962 on left and right sides will determine if cracks exist. If not corrected, an undetected crack may sever the frame, which may increase the loading of adjacent frames and result in damage to adjacent structure and extensive repair, or ultimately could lead to the loss of overall structural integrity of the airplane.
D. Description This service bulletin provides instructions to do a general visual inspection and a high frequency eddy current inspection of the overwing frames at Stations 883, 902, 924, 943 and 962 on left and right sides.
The purpose of these inspections is to detect fatigue cracks in the upper radius of the frame tab. Based on inspection results, does as follows:
Condition 1 (No Crack)
1. Does repetitive inspections of the overwing frames for cracks.
Condition 2 (Crack Less than 0.125 Inch in Depth)
1. Does a blend-out repair of the crack.
2. Does repetitive inspections of the overwing frames for cracks.
Condition 3 (Crack is Equal To or Greater Than 0.125 Inch in Depth)
1. Replaces the cracked overwing frame.
2. Does repetitive inspections of the overwing frames for cracks.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 11 of 35 BOEING SERVICE BULLETIN MD90-53A031
ALERTALERT
The work in this service bulletin is done in the maintenance zone(s) given below.
Affected Maintenance Zones ZoneModel 151, 161MD-90-30 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.
Table 1: Inspect Left and Right Side Overwing Frames for Cracks from Station 883 to 962 Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later ) ActionCondition -Within 60 months after the original issue date on this service bulletin.
Before the accumulation of 20,000 total flight cycles.
Do a general visual inspection and a high frequency eddy current inspection of the overwing frames in accordance with Accomplishment Instructions 3.B.
All Airplanes 5,900 flight cycles.--Do repeat general visual inspection and high frequency eddy current inspection of the overwing frames in accordance with Accomplishment Instructions 3.B.
Condition 1 (No Crack Found) --Before further flight.
Repair the cracked overwing frame in accordance with Accomplishment Instructions 3.B.
Condition 2 (Crack Found is Less Than 0.125 Inch in Depth) AND 5,900 flight cycles.--Do a general visual inspection and high frequency eddy current inspection of the repaired overwing frame in accordance with Accomplishment Instructions 3.B.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 10, 2009 MD90-53A031 12 of 35 BOEING SERVICE BULLETIN MD90-53A031