[4910-I3-Pj

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

(Docket No. FAA-2009-0685; Directorate Identifier 2009-NM-I13-AD; Amendme

39\k?A~q**i'--J-Dlb- to-2D

RIN 2120-AA64

Airworthiness Directives; McDoJUleUDouglas Corporation Model DC-9-30, DC-9-4

and DC-9-50 Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

SUMMARY: We are adopting a new airworthiness directive (AD) for certain Model

DC-9-30, DC-9-40, and DC-9-50 series airplanes. This AD requires inspecting to

determine the part numbers of the fOIWardand aft auxiliary tank fuel boost and transfe

pump conduit/conduit assembly and conduit assembly electrical connector, as applicab

and corrective actions if necessary. This AD results from fuel system reviews conducte

by the manufacturer. We are issuing this AD to detect and correct the potential for an

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

the FEDERAL REGISTER].

The Director of the Federal Register approved the incorporation by reference 0

certain publication listed in the AD as of [insert date 35 days after date of publication 1

FEDERAL REGISTER].

DATES: This AD is effective [insert date 35 days after date of publication in the

in a fire or explosion.

arc/spark condition to occur within the fuel boost or transfer pump conduit assembly

connectors and propagate into the forward and aft auxiliary fuel tanks, which could res rn>.UJSJ(;;

ADDRESSES: For service infonnation identified in this AD, contact Boeing
[49 I 0-13-PJ

DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2009-0685; Directorate Identifier 2009-NM-I13-AD; Amendment

39-**; AD *"']

RIN 2120-AA64

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

and DC-9-50 Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACfION: Final rule.

SUMMARY: We are adopting a new airworthiness directive (AD) for certain Model

DC-9-30, DC-9-40, and DC-9-50 series airplanes. This AD requires inspecting to

determine the part numbers of the fOlWard and aft auxiliary tank fuel boost and transfer

pump conduit/conduit assembly and conduit assembly electrical connector, as applicable.

and corrective actions if necessary. This AD results from fuel system reviews conducted

by the manufacturer. We are issuing this AD to detect and correct the potential for an

arc/spark condition to occur within the fuel boost or transfer pump conduit assembly

connectors and propagate into the forward and aft auxiliary fuel tanks, which could result

in a fire or explosion.

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 a

certain publication listed in the AD as of [insert date 35 days after date of publication in

the FEDERAL REGISTER].

ADDRESSES: For service information identified in this AD. contact Boeing

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

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FAA Form 1360·14.1 (6-$9) OFFICIAL FILE COPY