# AVS

Quality Management System Title: Domestic New Action Worksheet with S6 QPM# AIR-ANM-030-F7 Date: December 17, 2008 Revision 1 Page 4 of 5 

# Record ofContacts FDMS DocketNo.FAA-200~- 

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Organization Person Contacted Date Boeing Commercial Aircraft Company Sadayoshi Takara 4/27/2009 Airline Transport Association Mark Lopez 5120/2009 With whom outside theFAA has this proposal been discussed (e.g., ATA, RAA. ALPA, etc.)?

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DEI'ARTMENT OF TRANSI'ORT ATION Federal Aviation Administration 'O>';CCRR"'inS II,OLTING S\'!o.l!l9L 

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# 1d-!3 IDoeket No. FAA-2009-+++++; Directorate Identifier 2009-NM-097-AD] RIN 2120-AA64 Ainvorthiness Directives; McDonnell Douglas Model DC-9-81 (MD-SI), DC-9-82 

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### (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87), and MD-S8 Airplanes KOUTIN<; SYM L 

### AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice ofproposed rulemaking (NI'RM). SUMMARY: We propose to adopt anew airworthiness directive (AD) forcertain 

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certain repaired areas. This proposed AD results from reports ofcracking ofthe wing rea McDonnell Douglas Model DC-9-S1 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), inspections forcracking ofthe lower rear spar caps ofthe wings, and related investigativ and DC-9-87 (MD-S7), and MD-88 airplanes. This proposed AD would require repetitiv

spar lower cap atthe outboard flap and inboard drive hinge at station Xrs=164.000; the cracking isdue to material fatigue from normal flap operating loads. Weare proposing and corrective actions ifnecessary. This AD would also require repetitive inspections of 

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this AD todetect and correct fatigue cracking, which could result infuel leaks, damage t the wing skin orother structure, and consequent reduced structural integrity ofthe wing. ll'lTIAJ..SSIG I)ATE 

### DATES: We must receive comments onthis proposed AD by [insert date 45 days after date ofpublication inthe FEDERAL REGISTER]. !tOUTING SYMIIOL 

### ADDRESSES: You may send comments by any ofthe following methods: I)"TE 

### • Federal eRulemaking Portal: Goto http://www.regulations.gov. Follow the Il.UUllNG SYMOOI 

### instructions for submitting comments . • Fax: 202-493-2251.

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U.S. Department

ofTransportation federal Aviation Administration Transport Airplane Directorate LosAngeles Aircraft Certification Office 3960 Pammnunt Boulevard Lakewood. California 90712 4137

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# L~; Icrt [4910-1)-1'] DEPARTMEi'<T OF TltAi'<SI'ORTATlOi'< Federal Aviation Adlllillistr~ltion

McDonnell Duuglas Model DC.9-Sl (MD-SI), DC-9-82 (MD-S2), DC-9-S3 (MD-S3), inspections fixcracking ufthe lower rear spar caps ofthe wings, and relatcd investigative AGENCY: Fcdcral Aviation Administration (FAA), DOT. ACTION: Notice ofproposed rulemaking (NPRM). Airworthiness Direelives; McDonndl Douglas Model DC-9-8! (MD-XI), D(,-9-82 14CFR Purt 39 [Docket No. I'AA.211119-+++++; Direetorute Idcntilier 211119.NM-1I97-A DI IUN 2120-AA('4

and DC-9-87 (1\'10-87), and MD-88 airplanes. This proposed AD would re4uire repetitive SUMMARY: Wepropose to adopt anew airworthiness directive (AD) for cerlain (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87), and MD-88 Airplanes

eerlain repaired areas. This proposed AD results from rep0rls ofcracking of thc wing rear and corrective aClions ifnecessary, This AD would also require repetitive inspections of spar lower cap at the uutbuard nap and inboard drive hinge at statiun Xrs= 164.000; the cracking is due lu material t,nigue Irom normal nap uperating loads. We arc proposing this AD to detect and correct latigue cracking, which cuuld result in fuel leaks, damage to ROVTI>«:IGYIo'tIOI. the wing skin or oth!.:!'structure, and cOllst:qucnl rcdll\.:c.:d slruclurul inlcgrily of the wing. DATES: We must receive cmnments un this propused AD by [insert date 45 days alier date ofpublication inthe FEDERAL REUISTERj. IfO\!TII'lG'YIoIfIOI. ADDRESSES: You nm) send comments by any ofthe following methods: • FederaleRulcnmking Portal: Go to hllr://www.relli!lalioJls.~u\'. Folluw the Purpose-AviationSafety Professionalism- TechnicalExcellence Pride -Highest Quality FAA Form 1360-14,1 (6-89) OFFICIAL FILE COPY IUS OOVERNI.AENT PRINTING OFFICE: ,OQS .1eg...211