14910-13-P]

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration _ONCURRENCES

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ACTION: Notice of proposed ruJemaking (NPRtvI).

(DOT).

AGENCY: Federal Aviation Administration (FAA), Department of Transportation

Airworthiness Directives; The Boeing Company Model 767 Airplanes

that applies to certain Model 767 airplanes. The-existing AD currently requires, for

14 CFR Part 39 0

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[Docket No. FAA-2010-+++¥; Directorate Identifier 2010-NM-062-AD]

SUMMARY: The FAA proposes to supersede an existing airworthiness directive (AD). IN]T1ALSISl

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of the slat track housing of the wings. For certain other airplanes, the existing AD

certain airplanes, reworking the bonding jumper assemblies on the drain tube assemblies, Routin~ Symoo'

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requires repetitive inspections of the drain tube assemblies of the slat track housing ofth

wings to find discrepancies, corrective actions if necessary, and tennina1ing action for th

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include additional airplanes. This proposed AD results from (1) reports of fuel leaks

repetitive inspections. This proposed AD would also require replacing the drain tube

assemblies. For certain airplanes, this proposed AD would also require installing an

speed; (2) reports of a bonding j urnper assembly of certain drain tubes that did not meet

the wings, which could result in a fire when the airplane is stationary, or taxiing at low

additional electrostatic bond path for the number 5 and 8 inboard slat track drain tube

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assemblies. For certain other airplanes, this proposed AD would also require reworking .f)(VM-~

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from certain drain locations of the slat track housing near the engine exhaust nozzles of

the bonding jumper assembly. This proposed AD would also revise the applicability 10

bonding specifications and could result in electrostatic discharge and an in-tank ignition

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source; and (3) reports of fuel leaks onto the main landing gear (MLG) as a result of a
[4910-13-PJ

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2010-++++j Directorate Identifier 2010-NM-062-ADJ

RIN 2I20-AA64

Ainvorthiness Directives; The Boeing Company Model 767 Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of Transportation

(DOT).

ACTION: Notice of proposed rulemaking (NPRM).

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SUMMARY: The FAA proposes to supersede an existing airworthiness directive (AD) INmAlS/S1G

that applies to certain Model 767 airplanes. The existing AD currently requires, for DAlC

of the slat track housing of the wings. For certain other airplanes, the existing AD

certain airplanes, reworking the bonding jumper assemblies on the drain tube assemblies Q",;n~ $',,,,oot

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wings to find discrepancies, corrective actions if necessary, and terminating action for th

repetitive inspections. This proposed AD would also require replacing the drain tube

requires repetitive inspections of the drain tube assemblies ofthe slat track housing ofth

assemblies. For certain airplanes, this proposed AD would also require installing an

additional electrostatic bond path for the number 5 and 8 inboard slat track drain tube

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assemblies. For certain other airplanes, this proposed AD would also require reworking

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the bonding jumper assembly. This proposed AD would also revise the applicability to

include additional airplanes. This proposed AD results from (1) reports of fuel leaks

ounNG SYMBOL

from certain drain locations of the slat track housing near the engine exhaust nozzles of

the wings, which could result in a fire when the airplane is stationary, or taxiing at low

speed; (2) reports of a bonding jumper assembly of certain drain tubes that did not meet '"

bonding specifications and could result in electro,static discharge and an iORtankignition

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source; and (3) reports of fuel leaks onto the main landing gear (MLG) as a result of a