(4910-I3-Pj

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration -ONCUHRENCES

oum'G SYMBOl

OU 'I{; sYMBOl

1115

loss of visibility. and injuries to or incapacitation of the flight crew.

inspections for that flightdeck window 1. This proposed AD results from several reports KOUn"G $VNBOl

/lhOliS

We are proposing this AD to prevent smoke and fire in the cockpit, which could lead to

of electrical arcs at the terminal blocks of the electrically heated flightdeck window 1.

allow for replacing the flightdeck window 1 with a new improved flightdeck window

flightdeck window 1, and corrective actions ifnecessary. This proposed AD would also

require repetitive inspections for damage of the electrical terminal at the left and right

747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-40

equipped with different electrical cOimections, which would terminate the repetitive

747-400F, 747SR, and 747SP Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D,

Airworthiness Directives; The Boeing Company Model 747-100, 747-100B,

RIN 2120-AA64

747-400D, 747-400F, 747SR, and 747SP series airplanes. This proposed AD would

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

[Docket No. FAA-2010-1 t I I I; Directorate Identifier 2010-NM-221-AD)

14 CFR Pari 39

DATES: We must receive comments on this proposed AD by [INSERT DATE 45 INIIIAl.5i5TG

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

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

• Federal eRulemaking Portal: Go to http://w\\'w.reeulations.eov. Follow the

instructions for submitting comments.
14910-13-Pj

DEPARTMENT OF TRAi\lSPORTATION

Federal Aviation Administration ~OHt;URJ<fNn5

oun'IG SYMBOl

__yO-to ."

30 I

ROUTING $<M80l

/lNut -, I"t.:lil:/;i~

"lII •••.51SIG

~

II ID

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

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

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

We are proposing tlus AD 10prevent smoke and fire in the cockpit, which could lead to LJA f

loss of visibility, and iilJ·unesto or incapacitation of the night crew.

DUll"G ~JSYI<6OI-

~-I/..J,

RIN 2120-AA64

747-400D, 747-400F, 747SR, and 747SP series airplanes. This proposed AD would

of electrical arcs at the tenninaJ blocks of the electrically heated nightdeck window 1.

flightdeck window 1, and corrective actions if necessary. This proposed AD would also

allow for replacing the flightdeck window 1 with a new improved flightdeck window

747-100B SOD, 747-200B, 747-200C, 747-200F, 747-300,747-400,747-4000,

require repetitive inspections for damage of the electrical terminal at the left and right

747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-40

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

Airworthiness Directives; The Boeing Company Model 747-100, 747-100B,

747-400F, 747SR, and 747SP Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

(Docket No. FAA-2010-+++++; Directorate Identifier 2010-NM-221-AD]

14 CFR Part 39

• Federal cRulemaking Portal: Go to http://www.re2ulations.gov. Follow the

1Ilstructions for submitting comments. ''''7~

/r/;o (-0