## 14910-I3-P)

DEPARTMENT OF TRANSPORTATION 14CFR Part 39 Federal Aviation Administration 

# 0311 IDocket No. FAA-2010-1 I I I I; Directorate Identifier 2009-NM-246) RlN 2120-AA64 

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• Federal eRulemaking Portal: Go to httpJ/wv·/\v.regulations.gov. Follow the incorrectly installed main track downstop assemblies, which can allow the main track

instructions forsubmitting comments . ADDRESSES: You may send comments by any ofthe following methods: DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

• Fax: 202-493-2251. housing when the slat is retracted. This condition, ifnot corrected, could result inafuel DATES: We mllstreceive comments on this proposed AD by [INSERT DATE 45 main track downstop assembly. We are proposing this AD todetect and correct necessary. This proposed.W results from reports ofbroken bolts in the outboard slat

leak and an increased risk offire. downstop hardware to fallinto the track housing and cause apuncture inthe track ACTION: Notice ofproposed rulemaking (NPRM). assembly, thread protrusion, and damaged and missing parts ofthe outboard slats main track do"mstop assemblies of slats, and related investigative and corrective actions if Ainvorthincss Directives; The Boeing Company Model 767 Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. SUMMARY: We propose to adopt anew airworthiness directive (AD) for certain Mode 01.1 "GS IIOl lAIVf.-I~IV 767 airplanes. This proposed AD would require doing adetailed inspection forcorrect

NlTIALS/S1G14910-13-PI

DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 

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## II 14CFR Part 39 IDoeket No. FAA-2010-' , , , '; Directorate Identifier 2009-NM-246] Ainvorthiness Directives; The Boeing Company Model 767 Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice ofproposed rulemaking (NPRM). SUMMARY: Wepropose to adopt anew airworthiness directive (AD) forcertain Mode NG Ol 1- 

# 1'0"'''' -I~I'L~ 767 airplanes. This proposed AD would require doing a detailed inspection forcorrect assembly, thread protrusion, and damaged and missing parts ofthe outboard slats main track dOV'lllstop assemblies ofslats, and related investigative and corrective actions if

• Federal eRulemaking Portal: Go to http://'W'.vw.reeulations.gov. Follow the necessary. This proposed AD results from reports ofbroken bolts inthe outboard slat main track downstop assembly. We are proposing this AD todetect and correct incorrectly installed main track downstop assemblies, which can allow the main track downstop hardware to fallinto the track housing and cause apuncture inthe track housing when the slat is retracted. This condition, ifnot corrected, could result inafuel leak and an increased risk offire. DATES: We must receive comments on this proposed AD by [fNSERT DATE 45 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. ADDRESSES: You may send comments by any ofthe following methods: :RIN 2I20-AA64

~mAt..5lSK; instructions for submitting comments . • Fax: 202-493-2251.