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(Docket No. FAA-2010-++++; Directorate Identifier 2010-NM-116-AD)

from reports that the warning born did not sound during the takeoff warning system test

of the S132 "nose up stab takeoffwaming switch." We are proposing this AD to detect

and correct a takeoff warning system switch failke, which could reduce the ability of th

flightcrew to maintain the safe fiight and landin1 of the airplane.

OATES: We must receive comments on this pffPosed AD by [INSERT DATE 45

DA YS AFTER DATE OF PUBLICATION fN HE FEDERAL REGISTER].

ADDRESSES: You may send comments by an I of the following methods:

• Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the

DEPARTMENT OF TRANSPORTATION

-900, and -900ER Series Airplanes

takeoff warning switches, and corrective actions if necessary. This proposed AD results

737 series airplanes. This proposed AD would require repetitive testing of the stabilizer

RIN 2120-AA64

Federal A\'iation Administration

Ainvorthiness Directives; The Boeing Company Model 737-600, -700, -70DC, -800,

14 CFR Part 39

AGENCY: Federal Aviation Administration (Fi)' DOT .

.ACTION: Notice of proposed rulemaking (NPRM).

"',/. SUMMARY: We propose to adopt a new airworthiness directive (AD) for certain Mode <..?/J

instructions for submitting comments.

• Fax: 202-493-2251. "

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

Building Ground Floor, Room W12-l40, 1200 New Jersey Avenue SE., Washington, D

20590.
(49\ 0-13-Pj

DEPARTMENT OF TRANSPORT AT10N

Federal Aviation Administration :ONCURI<£Nl:ES

.OUTJ"G S'lMliOL

14 CFR Part 39

IDocket No. FAA-2010-++++; Directorate Identifier 20JO-NM-1I6-AD]

RJN 2120-AA64

Ain'Vorthiness Directives; The Boeing Company Model 737-600. -700, -70De, -800,

-900, and -900ER Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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737 series airplanes. This proposed AD would require repetitive testing of the stabilizer

takeoff warning switches, and corrective actions if necessary. This proposed AD results

from reports that the warning horn did not sound during the takeoff warning system test

of the S132 "nose up stab takeoff warning sWitct" We are proposing this AD to detcct AT

and correct a takeoff warning system switch failLe, which could reduce the ability of th

flightcrew to maintain the safe flight and landinJ of the airplane.

DATES: We must receive comments on this pr1posed AD by [INSERT DATE 45

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

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

• Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the

1i""'-I3ID if/!>

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

instructions for submitting comments.

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• Fax: 202-493-2251.

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• Mail: u.s. Department of Transportation, Docket Operations, M-30, West

Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE., Washington, D

20590.

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[4910-13-P]

DEPARTMENT OF TRANSPORTATION

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IN1T1ALS/SIG

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Federal Aviation Administration l

14 CFR Part 39

[Docket No. FAA-2010-++++; Directorate Ide tiller 2010-NM-116-ADI

RlN 2120-AA64 I

Ainvorthiness Directives; The Boeing Company Model 737-600, -700, -700e, -800,

-900, and -900ER Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

737 series airplanes. This pr6posed AD would re~uire repetitive testing of the stabilizer

takeoff warning switches, and corrective actions if necessary. This proposed AD results tint" ••••••nq SymIlOI

from reports that the warning horn did not sound during the takeoff warning system test Ii

3m

of the S 132 "nose up stab takeoff warning switch." We are proposing this AD to detect

and correct a takeoffwaming system switch failure, which could reduce the ability cfth

flightcrew to maintain the safe flight and landing of the airplane.

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

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].

ADDRESSES: You may send comments by an)~fthe following methods:

• Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the

'" instructions for submitting comments.

• Fax: 202-493-2251.

• Mail: U.S. Department ofTransportatio~, Docket Operations, M-30, West

I ~

Building Ground Floor, Room W12-140~ 1200 New Jersey Avenue SE., Washington, D '

OU'l1NG sYMOOL

20590.

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