DEPARTMENT OF TRANSPORT ATION

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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

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Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-30, DC-9-40, IIlk fO

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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 by the 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 a new airworthiness directive (AD) for the McDonnell

possible sources of ignition in a fuel tank caused by an electrical fault in the fuel boost

pumps. An ignition source in the fuel tank could result in a fire or an explosion and

consequent loss of the 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 in this AD, contact Boeing

Commercial Airplanes, Attention: Data & Services Management, 3855 Lakewood

Boulevard, MC 0800-0019, Long Beach, California 90846-0001; telephone 206-544-
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possible sources of ignition in a fuel tank caused by an electrical fault in the fuel boost

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

fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent

SUMMARY: We are. adopting a new airworthiness directive (AD) for the McDOImell

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

(Docket No. FAA-2008~0934j DJrectorate Identifier 2008-NM-113-ADj Amendment

39-**; AD **]

Federal Aviation Administration

[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

14 CFR Part 39

RlN 2120-AA64

pumps. An ignition source in the fuel tank could result in a fire or an explosion and

consequent loss of the airplane.

DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

The Director of the Federal Register approved the incorporation by reference of

certain publications listed in the AD as of [INSERT DATE 35 DA YS AFTER DATE OF

PUBLICATION IN THE FEDERAL REGISTER].

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ADDRESSES: For service information identified in this 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