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DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14CFR Part 39 

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# *1 2b 10- 1&>-0'-/ A :"'1_11'-1 )llTl SKi RlN 2120-AA64 Airworthiness Directives; The Boeing Company Model 767-200, -300, and -300F Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Flnal rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain ModeJ I 767-200, -300, and -300F series airplanes. This AD requires inspecting to verify the pa number of the low-pressure flex-hoses ofthe flightcrew and supernumerary oxygen system installed under the oxygen mask stowage box at flightcrew and supernumerary i i 

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oxygen mask locations, andreplacmg the flex-hose with anew non-conductive

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JAn DATES: This AD is eITectlYe[L'ISERT DATI 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER). The Director ofthe Federal Register ap~roved the incorporation byreference 0 certain publication listed inthe AD as of [INSERT DATE 35 DAYS AFTER DATE 0 PUBLICATION INTHE FEDERAL REGIST~R]. low-pressure flex-hose ifnecessary. This AD results from reports ofa low~pressure 

# I flex-hose ofthe flightcrew oxygen system that burned through due to inadvertent electrical current from a short ciceuit inan adja~ent audio select paneL We are issuing this AD to prevent inadvertent electrical current, which can cause the low-pressure flex-hoses used inthe ilightcrew and supernumerary oxygen systems to melt or bum, resulting in oxygen system leakage and smoke or fIre.14910-13-P]

DEPARTMENT OF TRANSPORTATION Federal Aviation Administration ;ONCV".Rl""CES ounNGSy"BOL 14CFR Part 39 

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Ainvorthiness Directives; The Boeing Company Model 767-200, -300, and -300F Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMl\1ARY: We are adoptIng anew airworthiness directive (AD) for certain Model 767-200, -300, and -300F series airplanes. This

# lAD requires inspecting to verify the P' number ofthe low-pressure flex-hoses ofthe flilhtcrew and supernumerary oxygen system installed under the oxygen mask

# stowagl' box at flightcrew and supernumerary oxygen mask locations, and replacing the flex-h se with anew non-conductive low-pressure flex-hose ifnecessary. This AD reLlts from reports ofa low-pressure flex-hase afthe flightcrew axygen system that +med through due ta inadvertent electrical current from a short circuit in an adjacent audio select panel. We are issuing tilis AD ta prevent inadvertent electrical currentl which can cause the law-pressure tlex-hoses used inthe tlightcrew and supernumerary oxygen systems to melt or bum, resulting in oxygen system leakage and smoke

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DATES: This AD is effective [INSERT DATE 5 DAYS AFTER DATE OF OlJT1"G SYMBOL PUBLICATION IN THE FEDERAL REGISTE' ]. The Director ofthe Federal Regi:;;terapp oved the incorporation by reference of certain publication listed inthe AD as of [INSE TDATE 35 DAYS AFTER DATE OF OUTING SYMBOL PUBLICATION INTHE FEDERAL REGISTB ]. lNrTIAl.S/5IG

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DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14CFR Part 39 NrrWSlSICi [Docket No. FAA-2010-0044j Directorate Identifier 2009-NM-084-ADj Amendmen 

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ACTION; Final rule. SUMMARY: We are adopting a new aiTVIorthiness directive (AD) for certain Model 767-200, -300, and -300F series airplanes. This AD requires inspecting to verify the pa Series Airplanes Ainvorthiness Directives; The Boeing Compan~ -Model767~200, -300, and -300F

number ofthe low-pressure flex-boses ofthe flightcrew and supernumerary oxygen system installed under the oxygen mask stowage box at flightcrew and supernumerary oxygen mask locations, and replacing the flex-hose ,vith anew non-conductive low-pressure flex-hose ifnecessary. This AD refIts from reports ofa low-pressure flex-hose oftJle flightcrew oxygen system that brrned through due to inadvertent electrical current from a short circuit in an adjacent audio select panel. We are issuing this AD to prevent inadvertent electrical currcnt,lwhiCh can cause the low-pressure AGENCY: Federal Aviation Administration (FAA), DOT.

f1ex~hosesused inthe flightcrew and supernumerary oxygen systems to melt Of burn, resulting in oxygen system leakage and smoke or fire. DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. The Director ofthe Federal Regi~ter apprved the incorporation byreference of certain publication listed inthe AD as of [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTEr INmALSISIG