DEPARTMENT OF TRANSPORT ATION (4910-13-PI

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### Federal Aviation Administration 14 CFR Part 39 

### IDocket No. 

### FAA-2008-0934; Directorate Identifier 2008-NM-1l3-ADj Amendment 

## 10537 - ') I ,,- L1 39-**; AD **1 

### ",01)-

## 0(0-D, R1N 2120-AA64 

## " Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-30, DC-9-40, 

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Ol,m, .SYM'ool Douglas Corporation airplanes listed above. This AD requires modifying the 

### fuel boost pumps for the center wing, and forward or aft auxiliary fuel tanks. This AD results from 

### fuel system reviews conducted 

### bythe manufacturer. We are issuing this AD to prevent and DC-9-50 Series AiIplanes, Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 - 

### 0 (MD-83), and DC-9-87 (MD-87) AUplanes, and Model MD-88 and MD-90-30 AUplan AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. 

### SUMMARY: We are adopting anew airworthiness directive (AD) for the McDonnell

possible sources ofignition in a

### fuel tank caused 

### byan electrical fault in the 

### fuelboost pumps. An ignition source in the fuel tank could result in a fire or an explosion and consequent loss ofthe airplane. DATE 'murrNL SYMIM. DATES: This AD is effective [INSERT DATE 35 DAYS AFTI:R DATE OF PUBLICATION IN THE FEDERAL REGlSTI:R]. DATE The Director of the Federal Register approved the incorporation 

### by reference of IINIrIAI.SJSIG certain publications listed in the AD as of[INSERT DATE 35 DAYS AFTER DATE 

### 0 .". PUBLICATION IN THE FEDERAL REGISTER]. IWIJl"ISG SYMlIOc 

### ADDRESSES: For service information identified inthis AD, contact Boeing Commercial Airplanes, Attention: Data & Services Management, 3855 Lakewood Boulevard, MC 0800-0019, Long Beach, California 90846-0001; telephone 206-544-ROUTINGSy"""r IN"' ••••SI(lIGNIITUHE ROOTINGSYUr I Tw.sr.>;GNAr" 

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possible sources ofignition in afuel tank caused byanelectrical fault inthe fuelboost Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-30, DC-9-40,

fuel system reviews conducted 

### by the manufacturer. We are issuing this AD toprevent SUMMARY: We are.adopting anew airworthiness directive (AD) forthe McDOImell Douglas Corporation airplanes listed above. This AD requires modifying the fuelboost pumps forthe center wing, and forward or aftauxiliary fuel tanks. This AD results from (Docket No. FAA-2008~0934j DJrectorate Identifier 2008-NM-113-ADj Amendment 39-**; AD **] 

### Federal AviationAdministration [4910-13-P)

and DC-9-50 Series Aicplanes, Model DC-9-81 (MD-8l), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Aicplanes, and Model MD-88 and MD-90-30 Aicplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. DEPARTMENT OF TRANSPORTATION 

### 14CFR Part 39

RlN 2120-AA64

pumps. An ignition source inthe fuel tank could result inafire or anexplosion and consequent loss ofthe airplane. DATES: This AD iseffective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation byreference of certain publications listed inthe AD asof [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. ""'Mre

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I ADDRESSES: For service information identified inthis AD, contact Boeing Commercial Airplanes, Attention: Data & Services Management, 3855 Lakewood Boulevard, 

### Me D800-00 19, Long Beach, California ,90846-0001; telephone 206-544- FAA Form'1:l60-14.1 'l6-B9) OFFICIAL FILE COPY