### 14910-13-P]

DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14CFR ParI 39 ~Doc_ket

### No. FAA-2010-0761j Directorate Identifier 2010-NM-069-ADj Amendmen 

# 3~'?:fD **c?:g!(103

-1/f RIN 2120-AA64 Ainvorthiness Directives; TIleBoeing Company Model 737-100, -200, -200e, -300, -400, and -500 Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for the products liste above. This AD requires installing two warning level indicator lights onthe P2-2 center 

### ~,"",..c

---- 

# lop/ (I

{I 

# ~IW 

# INJW;;"'nl~
D,Hf. 

### instrument panel inthe flight compartment forcertain airplanes. For acertain other 

# I
.
• KOUI'IN,-,S\'MllOl 

### aIrplane, this AD requires activating the cabin altitude warning andtakeoff configuratiol warning lights. For all airplanes, this AD also requires revising the airplane flight manua NII'IMSI,I" 

### to remove certain requirements included byprevious AD actions, requires new pressure altitude limitations forcertain airplanes, and advises the flightcrew ofthe following changes: revised emergency procedures to use when acabin altitude warning Or 

### rapid depressurization occurs, and revised cabin pressurization procedures for normal k,,,,c-c

---- 

### operations. This AD was prompted by adesign change inthe cabin altitude warning system that would address the identified unsafe condition. We are issuing this AD to prevent failure ofthe flightcrew torecognize and react to avalid cabin altitude warning Iwro 

### horn, which could result inincapacitation ofthe flightcrew due to hypoxia (lack of oxygen inbody), and consequent loss ofcontrol ofthe airplane. lNITIAL'i.'S[~ 

### DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICAnON INTHE FEDERAL REGISTER]. ~",""'JC'

----[4910-I3-Pj DEPARTMENT OFTRANSPORTATION



## 5 1 

### '" :Q~CU"~E"US Qun"G ~Y"'80l



### EC151010 

## AIV'lic'f~'o,
. .G ./JeSflMt'M' 'N"M~"'SI"

warning lights. For all ai.rplanes, this AD also requires revising the airplane flight manu instrument panel in the flight compartment for certain airplanes. For acertain other airplane, this AD requires activating the cabin altitude warning and takeoff configuration

depressurization occurs, and revised cabin pressurization procedures fornormal
system that would address the identified unsafe conditLon. We are issuing this AD to altitude limitations for certain airplanes, and advises the flightcrew ofthe following to remove certain requirements included byprevious AD actions, requires new pressure changes: revised emergency procedures to use when acabin altitude warning orrapid operations. This AD was prompted byadesign change inthe cabin altitude waming Airworthiness Directives; The Boeing Company Model 737-100, -200, -200e, -300, -400, and -500 Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: FinallUle. SUMMARY: We are adopting anew airworthiness directive (AD) for the products liste above. This AD requires installing two warning level indicator lights on the P2-2 center RlN 2120-AA64 ~ [Docket No. FAA-2010-0761; Directorate Identifier 2010-NM-069-AD; Amendment ~), 

# rn I 39-**; AD 

###  -** -**1 Federal Aviation Administration 14CFR Par139

prevent failure ofthe flightcrew to recognize and react to avalid cabin altitude waming horn, which could result in incapacitation ofthe flightcrew due to hypoxia (lack of oxygen in body), and consequent loss ofcontrol ofthe airplane. Alf
DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER].[4910-13-PI DEI'ARTMENT OFTRANSPORTATION Federal Aviation Administration ""-':U",'U "«(5 0'J 'aw. ""&0' 14 CFR Poet 39 

# t14L&Ul!.L [Docket No. FAA~2010-0761; Directorate Identifier 201O-NM-069-AD; Amendment 

# '''~;',:'Il~tbm ~."
RIN 21211-AA64 Airworthiness Directives; The Boeing Company Model 737- I00, -200, -200e. -300, -400, and -500 Series Airplanes ACENCY: Federal Aviation Admlllistration (FAA), DOT. ACTION: Final rule. )



### "A!Ylrf,Oi
. G_..1:!.t;5f V"Ie!0' IN"'~,-SI<L". • 

### IJ!IJe<iYPJN-, -D'-_~--- SUMMARY: We /lrc adopting a new airwol-thincss directive (AD) for the products li~;tc\ I?.. If) I(} above. This AD requires installing two warning level indic~ltor lights on the P2-2 center 

## ~'J@1'~"l1os fI.--D~_ ""T1A""G~ instrument panelm the Oight compartmcm for certain aillJbncs. For acertain olher / '--

- ./ airplane. this AD requires activating lbe cabin allitude waming and takeoff configuration waming lights. For all airplanes, this AD also requires revising the airplane night manua to remo\'e certain requirements included by previous AD actions, requires new pressure altitude lil1lit81ionsforcertain airplanes, and advises the flighterew ofthe following I" changes revised emergency procedures to LIse when acabin altitude \\laming orrapid dqxessurizalioll occurs, and revised cabin pressurization procedures fornormal operations_ This AD was prompted by a design change in the cabin altitude warillng system that would address the idel1tificd unsafe comillion. We arc issuing this AD to prevent failure ofthe f1Jghtercw!o recognizc and rcac! to avalid cabin altitude ,\"lIming horn, \vllleh could result in incapacilmion oftile fllghtcrew oue to bypoxia (lack or oxygen inbody), and conseqtlcn1 loss ofcamral ofthe airplane. OATES: This AD is efrective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL R.EGISTER).



### ----~---- - ",._- l~-.--