### [4910-13-P]

DEPARTMENT OF TRANSPORTATION NCu1lREN S ourJ><O SYMBOL 

### Federal Aviation Administration

requires aone-time high frequency eddy current inspection offastener holes forcracks the left andright side wing rear spar lower cap at station Xors=345, and other specified (}1JTJNGS L 

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### NJfi'1-l00 ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain McDonnell Douglas Model DC-10-1O, DC-lO-IOF, and MD-IO-IOF airplaues. This Airworthiness Directives; McDonnell Douglas Corporation Model DC-IO-IO,

AGENCY: Federal Aviation Administration (FAA), DOT. DC-IO-IOF, andMD-IO-IOF Airplanes RIN 2120-AA64

and corrective actions ifnecessary. This AD results from areport ofthree instances of Model DC-l 0-1OF airplanes having fuel leaks inthe wing rear spar lower cap at station Xors=345. We are issuing this AD toprevent cracks inthe spar cap, which could lead t cracking ofthe lower wing skin, fuel leaks, and the inability ofthe structure to sustain INlTlALSiSIG

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### limit load. OAT> 

### DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER]. IWVTING SYMllOt
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### The Director ofthe Federal Register approved the incorporation by

### reference of A'tC 

### certain publication listed intbe AD as of [INSERT DATE 35 DAYS AFTER DATE 0 Ro('TJNG SYMOOL 

### PUBLICATION IN THE FEDERAL REGISTER]. ITIAJ,..SISlG 

### ADDRESSES: For service information identified inthis AD, contact Boeing Commercial Airplanes, Attention: Data & 

### Services Management, 3855 Lakewood[4910-13-P]

DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14CFR Part 39 fDocket No. FAA-2010-0043i Directorate Identifier 2009-NM-128-ADj Amendment 39-**; AD 

### **1 RIN 2120-AA64 Airworthiness Directives; McDonnell Douglas Corporation Model DC-l 0-10, DC-IO~JOF, and MD-IO-IOF Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain McDonnell Douglas Model DC-1 0-10, DC-) 0-1OF,and :MD-}0-1Of airplanes. This AD requires aonc-time high frequency eddy current inspection of fastener holes for cracks at the left and right side wing rear spar lower cap at station Xors=34S, and other specified and corrective actions ifnecessary. This AD results from areport of three instanceS of Model DC-l 0-1OFairplanes having fuel leaks inthe wing rear spar lower cap at stmion Xors=345. We are issuing this AD 10prevent cracks inthe spar cap, \\.:hichcould lead to cracking of the lower wing skin, fuel leaks, and the inability ofthe structure 10 sustain limit load. DATES: This AD is effective (INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation by reference ofa certain publication listed inthe AD as of [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION IN THE FEDER-"L REGISTER]. ADDRESSES: For service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Data & Services Management, 3855 Lakewood CONCU"HENCEO ~OUTI~Gsy"'eoL



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FAAForm 1360-14.1 le-li9\ OFFICIAL FILE COPY