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DEPARTMENT OF TRANSPORTATION

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Federal Aviation Administration

\4 CFR Part 39

'2010-l:LW

{Docket No. FAA-~-++++; Directorate Identifier 2010-NM-270-AD; Amen

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39-**; AD  -** -**]

R1N 2120-AA64

Airworthiness Directives; The Boeing Company Model 757-200, -20DCB, and·3

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

-/07) ACTION: Final rule; request for comments. "1TIALSiS

SUMMARY: We are adopting a new airworthiness directive (AD) for the product' ~ !

above. This AD requires repetitive inspections for cracking of the fuselage skin of

crown skin panel along the chern-milled step at stringers S-4 left and 8-4 right, fro

stations (STA) 297 through STA 439, and repair if necessary. Th..isAD also indud m

terminating action for the repetitive inspections of the repaired areas only. This

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prompted by reports of cracking in the fuselage skin of the crown skin panel. We a

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issuing this AD to detect and correct fatigue cracking ofthe fuselage skin of the cr

PUBLICATION IN THE FEDERAL REGISTER].

certain publication listed in the AD as of [INSERT DATE 15 DA YS AFTER DAT

The Director of the Federal Register approved the incorporation by referen

DATES: This AD is effective [INSERT DATE 15 DAYS AFTER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

the airplane.

skin panel, which could result in pressure venting and consequent rapid decompre

We must receive comments on this AD by [INSERT DATE 45 DAYS AFTER

DATE OF PUBLICATION IN THE FEDERAL REGISTER].
[4910-13-Pj

DEPARTl\lENT OF TRANSPORT AnON

Federal A,·jation Administration

14 CFR Pari 39

[Docket No. FAA-2011-++++; Directorate Identifier 2010-NM-27o-AD; Amendment

RIN 2120-AA64

Airworthiness Directives; The Boeing Company Model 757+200, ·20GCR and +300

Series Airpl:mes

AGENCY: Federnl Aviation Administration (F.'\A). DOT.

ACTION; Final rule; request for comments.

SUI\'lMARY: We arc adopting a new ainl'onhiness directive (AD) for the products listed

above. This AD requires repetitive inspections for cracking of the fuselage skin of the

crown skin panel along the chem-milled step i1tstringers S-4 left and S-4 right, from

stations (STA) 297 through ST A 439. and repaidfnecessary, This AD also includes

temlin'l\ing anion for the repetitive inspections of the repaired areas only. This AD was

prompted by rcpons of cracl..ing in the fuselage skin of the crown skin panel. We are

issuing this AD to detect and correcl fatigue crnckiug of the fuselage skin of the crown

skin panel. which could result in pressure venting and consequent rapid decompre$sion of

the nirplane.

DATES; TIlis AD is effective (fNSERT DATE 15 DAYS AFTER DATE OF

PUBLICATION lNTHE FEDERAL REGISTER).

The Director of the Federal Register approved lhc incorportion by reference of a

certain publicntion listed in the AD as of [INSERT DATE 15 DAYS AFTER DATE OF

PUBLICATION INTHE FEDERAL REGISTER].

We must receive comments on this AD by [INSERT DATE 45 DA YS AFfER

DATE OF PUBLICATION IN THE FEDERAL REGISTER].

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[4910-13-Pj

DEPARTi\lENT OF TRANSPORTATION

Fcdcrnl Aviation ,\dminlstratioll

14 eFR I'art 39

IDocket No. FAA-2011-++++; Directorate Idenlil'ier 2010-NM-270-AD; Amendment

39- •.•.; AD •.•.•••._•.•._*••j

Airworthine~s Diredives; The Boeing Company Modc:1757"200, -200CB.llnJ -300

S"ries Airplanes

AGENCY: Federal Aviation Administrc.tion (FAA). DOT.

ACTIO~; Final mte; rcquesl for comnu:nls.

SUMMARY: We ~re :idopting a new ainvorthiness directive lAD) for Ibe producL~ listed

above". 111is AD requim; repetitive insp<xtions for cracking of [he fuselage skin of the

crO•.•.ll skin p;mel along the chern-milled step at stringers 5·4 left;md 5-4 right, from

stations (STA) 297 through ST A 4.'9, and rtpair if necessary. This AD also inclL1des

lemlinating <lclioll fOf the repetitive inspections oflhe repaired ar<.lasonly, This AD was

prompted by rcpons of cracking in thl.' fuselage skin ofthC' crown skin panel. Wc art'

issuing 1his ,\D to detect and correct fatigue cracking of the fusel:lge skin of the crown

skin p;mcl, which could result in pressure venling and consequent fapid decomprcssioJl of

the :lirplune.

DATES: This AD iselTcctivc [INSERT DATE 15 DAYS Af"TER DATE OF

PUBLICATION IN THE FEDERAL REGISTER}.

The Director of the Federal Rcgis1cr approved the incorpor.lIion by reference of:\

cenllin public,lliM listed in thc AD as of[INSERT DATE 15 DA YS AFTER Dr\TE OF

PVBLlCAT~ON IN THE FEDERAL REGISTER].

We must n:ccl\'e commcnts on thiS AD by [INSERT DATE 4j DAYS AFTER

DATE OF PUBLICATION IN THE FEDERAL REGISTERj.

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