14910-13-P]

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

(Docket No. FAA-20] 0-0646; Directorate Identifier 2009-NM-223-AD;

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Amendment 39~ AD2e18-lS ••••_il'K)

RIN 2.120-AA64

Airworthiness Directivesj The Boeing Company Model 727, 727C, 727-100, 727-100

727-200, and 727-200F Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

SUMMARY: We are adopting a new airwOlthiness directive (AD) for the products list (j'TA~ ntl1

above. This AD requires repetitive detailed inspections of the aft pressure bulkhead we D~~11110

for cracking, and repair ifnecessary. For certain airplanes, this AD also provides for an

optional preventative modification of the aft pressure bulkhead web, which would

terminate certain repetitive detailed inspections. This AD was prompted by reports of

cracks in the aft pressure bulkhead web. We are issuing this AD to detect and correct

cracking in the aft pressure bulkbead web, which could adversely affect the structural

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integrity of the airplane, resulting in difficulty maintaining cabin pressurization or rapid OATE

decompression of the airplane.

DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

ROUnNG '''''OOL

DATE

The Director of the Federal Register approved the incorporation by reference of OunNGmlBoL

certain publication listed in the AD as of [INSERT DATE 35 DAYS AFTER DATE 0

I

PUBLICATION IN THE FEDERAL REGISTER].

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[4910-I3-PI

DEPARTM.ENT OF TRANSPORTA nON

Federal AYiation Administ.ration

14 CFR Part 39

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RIN 2120-AA64

Airworthiness Directives; The Boeing Company Model 727, 727C, 727-100, 727-100

727-200. and 727-200F Series Airplanes

ACENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

optional preventative modification of the aft pressure bulkhead web, which would

IDoC'.ketNo. FAA-ZOIO-0646; Directorate Identifier 2009-NM-223-AD;

Amendment 39-**; AD 2010~**·**1

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SUMMARY: We are adopting a new amvorl,hress dIrective (AD) for the products list """0 ;,,_

above. This AD requires repetitive detailed inspections of the aft pressure bulkhead web )z, J'

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for cracking, and repair if necessary. For certain airplanes, this AD also provides for an e .-;:::G~

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terminate certam repetitive detailed inspections. This AD was prompted by reports of

cracks in the aft pressure bulkhead web. We are

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issuing this AD to detect and correct

cracking in the an pressure bulkhead web, WhiCt}could adversely affect the structural

mtegrilY of the airplane, resulting in difficulty maintaining cabin prcssurizaLion or rapid

Ii

decompression of the airplane.

DATES: This AD is effective [INSERT DATE 35 DA YS AFTER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

I"''',",-=JG

The Director of tile Federal Register ap~rovcd the incorporation by reference of b,o'. _~ __

certain publication listed in the AD as of[fNSERT DATE 35 DAYS AFTER DATE a

PUBLICATION IN THE FEDERAL REGISTER].

~,",',----
[4910-13-PI

DEPARTMENT OF TR-\NSPOR1ATION

Fcdcral.-\\'iatioll Administr;ltion

14 eFR I-':U"' 39

j[)ockel No. FAA-2010-0646; Directorate Idcntil1CI' 2009-Ni\'1~223-AD;

Amendment 39-**; AD 2010-**-**1

RIN 2120-AA64

Ail-worthiness Dirccth'cs; The Boeing Company Model 727, 727C, 727·) 00. 727-100

727-200, and 727-200F Series Airplanes

ACENCY: Federal AViation Administration (FAA). DOT.

ACfION: FioHIrule.

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SUMMARY; V•...e arc adopting it new ain\'onhlness directive (AD) for the products lisl /I I'S Jl' "",,,. ~.".•."

above. This AD requires repetitive detailed inspections of the aft pressure bulkhead web ,.!,!~..~:,,)rlf

fot crackinl;.

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and repair if nt~ccssary. For certain airplanes, this AD also provides for an Mlf e :FIsM?

optional preventative modification of the aft pressure bulkhead web, which would )} e I

0\."[1"" S""",,,,

lcmlinate certain repetitive det::lilcd inspections. This AD was prompted by reports of

cracks In the an pressure bulkhead web. We :Irc issning this AD to detect and correct

crackitlg in the an pressure bulk.hc8d web, which cOlild adversely affect lhe structural

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integrity of the airplane. resulting in difticlllty maintaining c<lbin pressurization or raplu }[Jil{l to>

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decompression of the airplane.

DATES: -nlis AD is cffecti\'c [INSERT DATE 35 DAYS AFrER DATE OF

"'''''''''' ','''''''' PUBLICATION IN THE FEDERAL KEGISTER].

""'J."">"~ The Director ol'lhe peder"l Register approved tlie incorporation hy rclcrcnce or I

""t cerl3in publiciltion listed ill the AD as of [INSERT DATE 35 DAYS AFTER DATE 0'

PUBLICATION rN THE FEDERAL REGISTER].