f\OUT,ltG SY"'.OL

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

RlN 2120-AA64

""'-'T'NO ""&0\.

[Docket No. FAA-2010-0S49; Directorate Ideotifier 2010-NM-I09-AD; Amendme tll lit" ~ I

1(,!:J7-.?20[1-01-1/- , '" 39-**", AD ~y*_**] r,;;> .

Airworthiness Directives; The Boeing Company Model DC-9-81 crvlD-81), DC-9-82

14 CFR Part 39

Federal Aviation Administration

DEPARTMENT OF TRM,SPORTATION

14910-13

INmAl.'J(SIG.-AIUAE

SUMl\1ARY: We are adopting a new ainvorthiness directive (AD) for the products lis ed

above. This AD requires installing fuel level float and pressure switch in-line fuses on he

wing forward spars and forward and aft auxiliary fuel tanks, depending on the airplane

'HITlIIL$'SIGN"TURE

configuration. This AD was prompted by fuel system revic\vs conducted by the

manufacturer. We are issuing this AD to prevent the potential of ignition sources insid I o",r~

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fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank

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

Commercial Airplanes, Attention: Data & SerVjJcesManagement, 3855 Lakewood

Boulevard, MC D800-0019, Long Beach, California 90846-0001; tclephone

PUBLICATION IN THE FEDERAL REGISTER].

certain publication listed in the AD as of [INSERT DATE 35 DAYS AFTER DATE 0

explosions and consequent loss of the airplane.1

I

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

I

PUBLICATION IN THE FEDERAL REGISTER].

I

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

206-544-5000, extension 2; fax 206-766-5683; e-mail dse.boecom@boeing.com; Internet

FAA Form 1360-14.1 (6-89) OFFICIAL FILE COPY

* u.s. GOVERNMENT PRINTING OFFICE; '995 - 769·211
, ,

DEPARTMENT OF TRANSP0RTATION

Federal Aviation Administration

14 CFR Part 39

", - - -

[Docket No. FAA-2010-0549; Directorate J.dentifier 2010-NM-L09-AD; Amendment

39_**; AD  -** -**)

RIN 2120-AA64

Airworthiness Qirectives; McDonnell D~~glas Corpo!':!tion Model DC-9-8"1 (MD-81),

I

DC,9-82 (MD-82), DC-9-83 (MD-83J, DC~9-87 (MD-8?), and MD-88 Airplanes

AGENCY: Federal Aviatjon Administration (FAA), ndt.

ACTION: FinaJ rule. ,I

SUMMARY: Weare adopting a'new air\."'orlhiness directive (AD) for the, products listed

above. This AD req~i.res instalJingfuellevel float and p)essure,switch in-line fuses on the'--

\ving forward spars and forward and aft au~iljary fuel taJks, depending on the airplane

,

configuratioA This AD was prompted by fuel sy~~ym re1iews conducted by the

I

manufacturer. We are issuing this AD to pr~vent the potJntial of ignition sources inside

fuel tanks, which, in combination with.flammable fuel vipors, could result in fuel tank

explosions and con,equent los> of the airplane. I

DATES: This AD is:effective [INSERT DATE 35 DA 'filS AFTER DATE OF

PUBLICATION IN THE FEDERAL REOlSTER].

The Director of the Pederal Regi,ter ~pproved t4 incorporation by reference of a

certain pubUcati~)Jilisted 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 Man~gement, 3855 Lakewood

I

Bou1evard,.MC DSOO-OO19, Long Beach, California 90146-0001; telephone

206-544-5000, extension 2; fax 206-766-5683; e-mail dse.boecom((il,boeinl!..com;' Internet

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FAA Form 1360-14.1 (6-89) OFFICIAL FILE COPY