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instructions for submitting comments.

DATES: We must receive comments on this proposed AD by [INSERT DATE 45 DAYS

DC-9-8! (MO-8!), DC-9-82 (MO-82), DC-9-83 (MO-83), DC-9-S? (MO-8?), and MD-88

inside fuel tanks, which, in combination \vith flammable fuel vapors, could result in fuel

tank explosions and consequent loss of the airplane.

ADDRESSES: You may send comments by any of the following methods:

AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER],

• Federal eRulemaking Portal: Go to http:// ••.,,\\'w.regulations.gov_ Follow the

the manufacturer. We are proposing this AD to prevent the potential of ignition sources

• Fax: 202-493-2251. ,,,,,

• Mail: U.S. Department of Transportation, Docket Operations, M-30, West Building I bit qilD

Ground Floor, Room WI2-140, 1200 New Jersey Avenue SE., Washington, DC 20590.

airplanes. This proposed AD would require installing fuel level float and pressure switch 10-

line fuses on the wing fOr\\'ard spars and forward and aft auxiliary fuel tanks, depending on

lhe airplane configuration. This proposed AD results from fuel system reviews conducted by ""1£ -

DC-9-82 (MD-82), DC-9-83 (MD-S3), DC-9-8? (MD-8?), and MD-88 Airplanes

Ainvorihiness Directives; McDonnell Douglas Corporation Model DC~9-81 (MD-81),

RiN 2UO-AA64

054 q

[Docket No. FAA~201O~+++-+;Directorate Identifier 201 O-NM-I09-AD]

Federal Aviation Administration

(4910-I3-Pj

DEPARTMENTOFT~SPORTA nON

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

SUMMARY: We propose to adopt a new airworthiness directive (AD) for certain Model

14 CFR Part 39

FAA Form 1360-14.1 (6-89) OFFICIAL FilE COPY
(491O-13-PJ

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2010-++++; Directo.-ate Identifier 2010-NM-I09-AD]

RlN 2120-AA64

Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-81 (MD-8!),

DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

NCURRENCES

ROUT'NG,,",'80L

SUMMARY: We propose to adopt a new airvvorthiness directive (AD) for certain Modr;""""",,,-_

m,'l)TIN(; sYMOOI.

DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and

JNlTlAl.5'Si~

MD-88 airplanes. This proposed AD would require installing fuel1cvcl float and pressll e

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switch in-line fuses on the wing forward spars and forward and aft auxiliary fuel tanks,

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depending on the airplane configuration. This proposed AD results from fuel system

1~ITIAl."'SL~

reviews conducted by the manufacturer. Vie are proposing this AD to prevent the

potential of ignition sources inside fuel tanks, which, in combination with flammable fu I

kw",m",,"',",,"",oooocc -

vapors, could result in fuel tank explosions and consequent loss of the airplane.

DATES: We must receive comments on this proposed AD by [INSERT DATE 45

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER],

ADDRESSES: You may send comments by any of the following methods:

• Federal eRulernaking PortaL Go to http://www.regulations.goy. Follow the

instructions for submitting comments .

• Fax: 202-493-2251.

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