14910-13-P] DEPARTMENT OF TRANSPORT AnON NCURll.ENCE.' ROUT,,,,, SYMBOL Federal Aviation Administration 14 CFR Part 39 

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# \f:,2.&'3 Airworthiness Directives; The Boeing Company Model 747-200B Series Airplanes 

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Model 747-200B series airplanes. This AD requires inspection for cracking of the fuselage skin lap joints at stringer 6 on the left and right Jides from station (STA) 340 t STA 400 and corrective actions ifnecessary. This AD [eLits from reviews done by Boeing, which show that modifications for stretched upprr deck (SUD) configuration require inspection forcracking ofthe stringer 6lapjoint rpper-fastener row earlier th m previously expected. We are issuing this AD to detect anti correct cracking ofthe strin r 6 lap joints where certain external doublers were not instllled' which could result in ra decompression and loss of structural integrity ofthe airplane. DATES: This AD is effective [insert date 15 days after late ofpublication in the FEDERAL REGISTER]. I The Director ofthe Federal Register approved tHeincorporation by reference 0 certain publication listed in theAD as of [insert date 15 ~ays after date ofpublication i ATE AGENCY: Federal Aviation Administration (FAA), DOlT. ACTION: Final rule; request forcomments. SUMMARY: We are adopting anew airworthines~ dire tive (AD) for certain Boeing

the FEDERAL REGISTER]. OUTING SYMIlO~ We must receive comments on this AD by [iuse date 60 days after date of INITIAI..~'SIG puhlication in the FEDERAL REGISTER]. DATE ADDRESSES: You may send comments by any of the allowing methods:[4910-13'P]

DEPARTMENT OF TRANSPORT AnON Federal Aviation Administration 14CFR Part 39 "ll1AI.5/S1G [Docket No. FAA-2009-1 I I I I; Directorate Identifie 2009-NM-146-AD; Amendment 39-**; AD **] RlN 2120-AA64 Ainvorthiness Directives; The Boeing Company Model 747-200B Series Airplanes AGENCY: Federal Aviation Administration (FAA), DdT. ACTION: Final rule; request for comments. SUMMARY: We are adopting anew airworthiness directive (AD) for certain Boeing Model 747-200B series a~lanes. TIllsAD requires insJCtion for cracking ofthe fuselage skin lapjoints at stringer 6on the left and right

# Ldes from station (STA) 340 t STA 400 and corrective actions 

### ifnecessary. This AD re~ults from reviews done by Boeing, which show that modifications for stretched upJr deck (SUD) configUration require inspection for cracking ofthe stringer 6 lapjoint Lpper-fastener row earlier than previously expected. We ~ issuing this AD to detect anb correct cracking ofthe string 6 lapjoints where certain external doublers were not inst~lIed, which could result inrap decompression and loss of structural integrity ofthe airplane. 

# I DATES: This AD is effective [insert date 15days after date ofpublication inthe FEDERAL REGISTER]. ,4/J(>I-

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The Director ofthe Federal Register approved t~e incorporation by reference of otmNGSYMGOl certain publication listed inthe AD as of [insert date 15 days after date ofpublication in NfTlALS/SIG the FEDERAL REGISTER). We must receive comments onthis AD by [insert date 60 days after date of publication inthe FEDERAL REGISTER]. ADDRESSES: You may send comments by any ofthe followirig methods:[491O-13-P]

DEPARTMENT OF TRANSPORT AnON Federal Aviation Administration 14 CFR Part 39 I~N''vI"{!4 [Docket No. FAA-2009-' , , , '; Directorate Identifier2009-NM-146-AD; Amendment 39-**; AD **] RIN 2120-AA64 Airworthiness Directives; The Boeing Company Model 747-2008 Series Airplanes NIrJAlS/SIG



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'0 ACTION: Final rule; request forcomments. AGENCY: Federal Aviation Administration (FAA), DOT.

SUMMARY: We are adopting anew airworthiness direcrve (AD) for certain Boeing Model 747-2008 series airplanes. This AD requires insPc1 tion for cracking ofthe fuselage skin lapjoints at stringer 6on the left and right sides from station (STA) 340 t STA 400 and corrective actions 

### ifnecessary. This AD 

### resLts from reviews done by Boeing, which show that modifications for stretched uppet deck (SUD) configuration require inspection for cracking ofthe stringer 6 lapjoint ubper-fastener row earlier than previously expected. We are issuing this AD to detect and correct cracking ofthe string 6 lapjoints where certain external doublers were not iusta led, which could result inrap TE decompression and loss of structural integrity ofthe airplane. DATES: lbis AD is effective [insert date 15days after dJe ofpublication inthe FEDERAL REGISTER]. The Director of the Federal Register approved the' corporation by reference of O'JTlNG sYMBOL certain publication listed inthe AD as of [insert date 15 da s after date ofpublication in the FEDERAL REGISTER]. We must receive conunents onthis AD by [insert ate 60 days after date of publication inthe FEDERAL REGISTER]. ADDRESSES: You may send comments by any ofthe following methods: Ml'T1AlSISlG