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RlN 2120-AA64

ACTION: Final rule.

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DEPARTMENT OF TRANSPORT ATION

Ainvorthiness Directives; The Boeing Company Model 767-200, -300, and -300F

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

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14 CFR Part 39 7J"~<.j)"

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[Docket No. rAA-2008-0978j Directorate Identifier 2008-NM-014-ADj Amendment tj2-5/ro

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

767-200, -300, and -300F series airplanes. For certain airplanes, this AD requires

modifying the fuel quantity indicating system (FQIS) densitometer. For certain other

airplanes, this AD requires replacing the existing hot short protector (HSP) on the FQIS

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densitometer with a new HSP. This AD also requires revising the Airworthiness

Limitations (AWL) section of the Instructions for Continueq Airworthiness to incorporat "",

AWL No. 28-AWL-22. This AD results from fuel system reviews conducted by the

manufacturer. We arc issuing this AD to prevent the center tank fuel densitometer from LN'TLM."'."G

overheating and becoming a potential ignition source inside the center fuel tank, which,

in combination with flammable fuel vapors, could result in a center fuel tank explosion

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and consequent loss afthe 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 INITIA'$IS'G

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

the FEDERAL REGISTER].
14910-13-PI

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

(Docket No. FAA-2008-0978j Directorate Identifier 200S-NM-014-AD; Amendment p W\~

39-**; AD **1

RIN 2120-AA64

Airworthiness Directives; The Boeing Company Model 767-200, -300, and -300F

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

767-200, -300, and -300F series airplanes. For certain airplanes, this AD requires

modifying the fuel quantity indicating system (FQIS) densitometer. For certain other

airplanes, this AD requires replacing the existing hot short protector (l-ISP) on the FQIS

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manufacturer. We are issuing this AD to prevent the center tank fuel densitometer from

densitometer with a new HSP. This AD also requires revising the Airworthiness OIfTJ,NG sn'eOl.

Limitations (AWL) section of the Instructions for Continued Airworthiness to incorporat NITIA~~ -I (1)5

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AWL No. 28-A WL-22. This AD results from fuel system reviews conducted by the

overheating and becoming a potential ignition source inside the center fuel tank, which,

in combination with flammable fuel vapors, could result in a center fuel tank explosion

and consequent loss of the airplane.

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

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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 days after dale of publication in

the FEDERAL REGISTER].
(4910-13-Pj

DEPARTMENT OF TRANSPORT AnON

Federal Aviation Administration

14 CFR ParI 39

(Docket No. FAA-2008-0978; Directorate Idcntifier 2008-NM-OI4-AD; Amendment PL\iil:J!!Il

~39-**' . ,AD **}

RlN 2120-AA64

Ain't'orthiness Directives; The Boeing Company Model 767-200, -300, and -300F

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

767-200, -300, and -300F series airplanes. For certain airplanes, this AD requires

modifying the fuel quantity indicating system (FQIS) densitometer. For certain other

airplanes, this AD requires replacing the existing hot short protector (HSP) on the FQIS

o

densitometer with a new HSP. This AD also requires revising the Airworthiness 0IJil!'G5TI'1&Ol

Limitations (AWL) section of the Instructions for Continued Airworthiness to incorporat ~G-(Cb5

AWL No. 28-A WL-22. This AD results from fuel system reviews conducted by the

manufacturer. We are issuing this AD to prevent the center tank fuel densitometer from

overheating and becoming a potential ignition source inside the center fuel tank, which,

in combination with flammable fuel vapors, could result in a center fuel tank 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 days after date of publication in

the FEDERAL REGISTER).

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