### [4910-13-PI

DEPARTMENT OF TRANSPORTA nON Federal A,.:iationAdministration 14CFR Part39 (Docket No. FAA-2009-U1f+; Directorate Ideotifier 2009-NM-015-ADJ RlN 2120-AA64 Airworthiness Directives; Lockheed Model 382, 382B, 382£, 382F, and 382G Series Airplanes 

### AGENCY: Federal Aviation Admmistration (FAA), DOT. ACTION: Notice ofproposed rulemaking (NPRNI). SUMMARY: We propose to adopt a nc\v airworthiness directive (AD) forcel1ain n'Nnl"'_l~u;.' 1<!!1J11~,"S""1i(l1 1~11'1.,\j5'-';K; L . VL.orv--- ",HF t 

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### Lockheed Model 382, 3828. 382£, 382F, and 382G series airplanes. This proposed AD

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### would require repetitive inspections forany damage (cracking, C01Tosion, structural 

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### defonnation, and dents) ofthe center wing box ofthe lower surface, and COlTcctive actions ifnecessary. Tlus proposed AD results from reports of fatigue cracks ofille cell cr wmg box oftile lower surface. We are proposing this AD to detect and correct such IJ~II' cracks, which could affect the structural failure of the wings. 

### DATES; Wemust receive COll1mellts Oilthis proposed AD by [lIlsel1date 45 days after date ofpublication intheFEDERAL REGISTER]. ADDRESSES: YOllmay send comments by any ofllle following methods:

• Federal eRnIe-making Portal: Go to h..UJ1:1/\vww.re!wlations.!.!0\·. Follow the 

### instructions forsubmitting comments.
• Fax: 202-493-2251_ INITI,'L~ .. "<; [>'\'1"

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### • Mail: U.S. Department ofTransportation, DocketOperations, M-30, West Building Ground Floor, Room WI2-140, 1200New Jersey Avenue SE., Washington, 0 

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## ~",M'" ----[4910-l3-P] DEPARTM RNT O~'TRANSPORTATION Federal Aviation Atlministration 14CFR Part 39 [Docket No. },4~AA-2009-+++++j Directorate Identifier 2009-NM-OI5- AD) RlN 2120-AA64 AinyorthlnC1;S

Directives; Lockheed Mudel 382, 382B, 382E, 382F, und 3R2G Series Airplanes AGE..~CY: Federal Avintion Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). SUMMARY: We propose to adopt a new airworthiness directive (.-<\1)for certain Lockheed Model 382, 382B, 382E, 382F, and 3820 series airplanes. This proposed AD would require repetitive inspections for any damage (crocking, corrosion, structural defonnauon, and dents) ofille center wing box of the lower surface, and corrective actions ifnecessary. '1'his proposed AD results from reports of fatigue cracks of the center wing box aHhe lower surface. We areproposing this AD to detect and correct such cracks, which (;ould affect the structural failUre of the wings. DATES: W""must r~ceivecomments on this proposed AD by [i.l1sendate 4S days after date ol'puhlication in the FEDERAL REGISTER]. ADDRESSES: You may send comments by any of the following methods:

• Federal eRulcmaking Portal: Go tohttp://www.regulations.gov. Follow the instructions for submitting comments.

• fax: 202-493·2251. 

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• Mail: U.S. Department ofTranspor1ation, Docket Operations, M3D,Wcst Building Ground FloOf, Room WI2·140, 1200 New Jersey Avenue SE., Washington, DC 20590.