14910-13-PI DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14CFR Part 39 IDocket No. FAA-2010-0677; Directorate Identifier 2010-NM-075-AD;



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## 01.-05 Amendmen(39-**;AD~-'H_**l RIN 2120-AA64 Ainvorihiness Directives; The Boeing Company, Model 727 Airplanes AGENCY: Federal Aviation Administration (FAk),DOT. 

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" features such as antennas, and the skin at decals and fairings; and related investigative

certain publication listed in the AD as of [INSERT DATE 35 DAYS A.FTER DATE OF I PUBLICATION INTHE FEDERAL REG1STER]. ADDRESSES: For service infol111ationidentifie1 in this AD, contact Boeing Commercial Ai~Jlancs, Attemion, Data & servits Managen,ent, P. O. Box JJOJ, MC correct scribe 

### lines, which can develop into 

### futile cracks in the skin and cause nlpid decompression of the airplane. DATES: This AD is effective [INSERT DATE 3!5DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. found at skin lapjoints and but! joints, around exfernal repairs and antennas, and a! and buttjoints. the skin al cerlain e.xl~lllalapproved repairs, the skin around exi:emal

The Director orthe Federal Register approved the incorporation by reference of locations where extemal decals had bcen cut. We are iss~ling this AD to detect and and corrective actions ifnecessary. This AD was prompted by reports of scribe lines ACTION: Final rule. 

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## . ..., _ 'l3~l51f,'(jI., SUMMARY: We are adoptIbg a new aJr\vorthllless dlfCCtlVC (AD)fonhe products hste 

## 2~a..dJJ.,JJ.J)'i above. This AD requires inspections for scribe lioles in the rlls~lageskin at skin lapjoints 

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# P.[4910-U-P[ DEPART1\'lENT OF TR>\NSPORT ATION :O~COO,"L"L:t~ -<llc"Lr";S'~Bm

decompression of the airplane. Federal Aviation Administration 14eFR Part 39 IDocket No. FAA~201 0-0677; Directorate Identifier 201 O·Nt\'I-075-AD;

RIN 2120-AA64 Air .••• 01thinc~s Dkcctivcs; The Boeing CompmlY Model 727 Ailpl:Jnes

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### /0';20 DID A(.l·,NC\'; Federal AViatIon Ad1l1111JstnltIOll(Fr)' DOT '0 "";;"'"at

_ t\eTION' Fill'll rule j"\\.IS:-~~
• ., '~~L\ SUM MARY, We "' c adopting a new "'WOelh,!""!;'CCI"C (AD) 10nhe pcoducl' hslec

## ~O'),''-'ol1 , ;Ibovc. This AD ['cquires lilspections [or scribe lines in the fuselage skin at skin lapjOilHs 

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# /l-r /Il.' I ,""""'~ &"",,," and bulljoints, the skill at certain external approved repairs, the skin around cxtcmal 

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. "lT1~,5!$"; lcalures SHc'has antennas, and the skin at decalSI and fairings; and rclalcd investigative 

# f.'&~ .,,- h ;llldmrrCGllVCat:lions if necessary. This AD was prompted by reports of scribe lines 

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# l - ~'U"~"" OL found HIskill lapjoints <lndbuHjoints, around e, lernal repairs and antennas, and at 

## Z6:1.ft:12:? 1'01.;7'''1'' .' ", locations where extemal decals had been CULJe are Issuing this AD to detect and ~_ 

## ." corn"-elscribe lines, which can develop into fati.;:,uccracks in the Skilland cause rapid 

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# '.kiJuroS Di\TES: This AD is effective [INSERT DATE 35 OAYS AFTER DATE OF 

### ~I~ PUBLICATION IN TI-rE FEDtRAL REGISTER]. ~ ~ The Director orthe Federal Register apJroved the incol;poration by reference or 

# r~:. \\tt certain publication listed in the AD as of [INSkT DATE 35 DAYS An"ER DATE OF 

### Jill'}';,?:" I II --- PUBLICATION IN THE FEDERAL REGISTER]. '" 

## L(, ~ ADllRESSl':S, For service infomm,ion idenli1cd in LhisAD, contucL Boeing 

## 'C",""~o~l-- Commercial Airplanes, Attention: Data & Serv ces Management, P. O. Box 3707, 

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