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DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration :QNCUR~ErJCES

ROuTING SYM60l

14 CFR Part 39 Ol<1iP

IDocket No. FAA-2010-++++j Directorate Identifier 2010-NM-007-ADl

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instructions for submitting comments.

• Fax: 202-493-2251.

DATES: We must receive comments on this proposed AD by [INSERT DATE 45

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DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

ADDRESSES: You may send comments by ant of the following methods:

• Federal eRulemaking Portal: Go to httpJ/www.regulations.goy. Follow the

RIN 2l20-AA64

Airworthiness Directives; The Boeing Company Model 767-300 Series Airplanes

AGENCY: Federal Aviation Administration (FtA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

SUMMARY: We propose to adopt a new airw+hiness directive (AD) for certain Mod n"c~",o,

767-300 series airplanes. This proposed AD would require inspections for cracks in the

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fuselage skin and backup structure at the lower lHF) antenna cutout at station 1197 + 99 DATE I.

between stringers 39L and 39R, and corrective actions rrnecessary. Certain repairs woul ~"unL:i!

terminate certain inspection requirements. This ~roposed AD results from reports of NmALSI~e~~

cracking found in the section 46 fuselage lower [kin around the periphery of the VHF m ~Jec

antenna baseplate at station 1197 + 99. We are JroPOSing this AD to detect and con-eet . OJ I OUTING S'rMllOL

fatigue cracks in the fuselage skin and internal backup structure, which could result in ~-tCJ:D

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[4910-13-PJ

DEPARTMENT OF TRANSPORT ATlON

Federal Aviation Administration -O"CVR'If.NCES

ROIfT!"'" SYMSOl

14 CFR Part 39

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[Docket No. FAA-2010-++++; Directorate Identifier 2010-NM-007-ADj

RlN 2120-AA64

Airworthiness Directives; The Boeing Company Model 767-300 Series Airplanes

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AGENCY: Federal Aviation Administration (FtA), DOT.

ACTION: Notice of proposed rulemaking (NPRM),

SUMMARY: We propose to adopt a new airwo~hiness directive (AD) for certain Mod nNG SYMBOL

767-300 series airplanes. This proposed AD woJId require inspections for cracks in the

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fuselage Sk~nand backup structure at the lo~er I~F~tenna cutout at .sta~ion11.97+ 99 ~D""T"(,

between stnngers 39L and 39R, and correctIve aj::tIons If necessary. Ce-rtam rep3lfS waul "M

terminate certain inspection requirements. This Jroposed AD results from reports of -N ~

cracking found in the section 46 fuselage lower lkin around the periphery of the VHF

antenna baseplate at station 1197 + 99, Wc are pfOPOSingthis AD to detect and correct o="'~'''o,

fatigue cracks in the fuselage skin and internal backup structure, which could result in ~ {CfJ5

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rapid decompression of the airplane.

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DATES: We must receive comments on this proposed AD by [INSERT DATE 45

I

DAYS AFTER DATE OF PUBLICATION IN ,HE FEDERAL REGISTER],

ADDRESSES: You may send comments by an)'iof the followi.ng methods:

• Federal eRulemaking Portal: Go to httJ:llwvrw.regUlations.gOv. Follow the

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instructions for submitting conunents.

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• Fax: 202-493-2251.

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