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## I R1N 2120-AA64 Airworthiness Directives; The Boeing Company ModeI747-100, 747-200B, 747-300 and 747SR Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain Model 747- J00, 747-200B, 747-300, and 747SR series airplanes. This AD requires installatiOl or acloseout panel and moisture curtains forthe main equipment center. This AD resul ~OliT'NG SYMIIOL from areport ofwater contamination inthe electrical and electronic units inthe main INITIA'-"SLG equipment center. We are issuing this AD to prevent the malfunction ofone ormore [jATI~ electrical and electronic units inthe main equipment center, which could adversely affe t the airplane's continued safe flight. DATES: This AD iseffective [insert date 35 days after date ofpublication inthe FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation by reference 0 ~OUTING ,YMHaI,

certain publication listed inthe AD as of[INSERT DATE 35 DAYS AFTER DATE 0 'ITIAlS',IG PUBLICATION INTHE FEDERAL REGISTER]. ADDRESSES: For service information identified inthis AD. contact Boeing Commercial Airplanes, Attention: Data & Services Management, P. O. Box 3707, Me 2H-65, Seattle, Washington 98124-2207; telephone 206-544-5000, extension 1;14910-13-Pj

DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 (Docket No. FAA-2008-0376; Directorate Identifier 2007-NM-322-ADj Amendment 

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installation ofacloseout panel and moisture curtains forthe main equipment center. Thi ·39-**; AD 

## "I RlN 2120-AA64 Airworthiness Directives; Boeing Model 747-100, 747~200B, 747-300, and 747SR Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain Boeing Model 747-100, 747-200B, 747-300, and 747SR series airplanes. This AD requires AD results from areport of water contamination inthe electrical and electronic units in 

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the main equipment center. Vole are issuing this AD to prevent the malfunction ofone or 

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# - more electrical and electronic units inthe main equipment center, which could adversely INITIAl.SISIG affect the airplane's continued safe flight. DATES: This AD iseffective [insert date 35 days after date ofpublication inthe FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation by reference of certain publication listed inthe AD as of [insert date 35 days after date ofpublication in the FEDERAL REGISTER]. ADDRESSES: For service information identified inthis AD, contact Boeing Commercial Airplanes, Attention: Data & Services Management, P. O. Box 3707, Me 2H-65. Seattle, Washington 98124·2207; telephone 206-544-5000, extension I; 

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DEPARTMENT OF TRANSPORT AnON Federal Aviation Administration 14 CFR Part 39 "ONClJflFU;NCES OVnNG sYMBOL [Docket No. FAA-2008-0376; Directorate Identifier 2007-NM-322-ADj Amendment 

## A.la..ch RIN 2120-AA64 Ainvorthiness Directives; Boeing Model 747-100, 747-200B, 747-300, and 747SR Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting a new airworthiness directive (AD) for certain Boeing Model 747-100, 747-200B, 747-300, and 747SR series airplanes.ll1is AD requires installation ofacloseout panel and moisture curtains for the main equipment center. Thi AD results from areport ofwater contamination inthe electrical and electronic units in the main equipment center. We are issuing this AD toprevent the malfunction ofone or more electrical and electronic units inthe main equipment center, which could adversel affect the airplane's continued safe flight. DATES: This AD iseffective [insert date 35 days after date ofpublication inthe FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation by reference of certain publication listed inthe AD as of [insert date 35 days after date ofpublication in the FEDERAL REGISTER]. ADDRESSES: For service information identified in this AD, contact Boeing Commercial Airplanes, Attention: Data & Services Management, P. O. Box 3707, MC 2H-65, Seattle, Washington 98124-2207; telephone 206-544-5000, extension I; 

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