14910-I3-PI

DEPARTMENT OF TRANSPORTATION srukRE.~C'ES >IGsn,lIGI.

01 

## - 7

- it,!

-{DO IillU'IlNG s\ mOL

,

IlATH ""'/TIS(; S\"MllOl "rn.•. l.SSK; 

## ." p.oun,;c;S',MllOl '"m,us'SlG

DATE and override pumps with new, improved relays having aground fault interrupter (GFI) feature. This AD results from fuel system reVi+s conducted by the manufacturer. We """ are issuing this AD to prevent pump housing burn-through due toelectrical arcing, whic 

# 7-2t...-/O could create apotential ignition source inside arUeltank. This condition, incombination :~:,,:::::'''''"''. with flammable fuel vapors, could result in afuel tank explosion and consequent loss of
DATES: This AD is effective [INSERT DATE 35 DAYS AFTER DATE OF

PUBLICATION INTHE FEDERAL REGISTER]. ADDRESSES: For service information identifikd inthis AD, contact Boeing Commercial Airplanes, Attention: Data &Serv.lces Management, P. O. Box 3707, MC the airplane.

The Director ofthe Federal Register aPlTOvedthe incorporation by reference of certain publication listed inthe AD as of [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. Airworthiness Directives; The Boeing Company Model 737-600, -700, -700e, -800, and -900 Series Airplanes AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) forcertain Model 737-600, -700, -700e, -800, and -900 series airplanes. This AD requires replacement of the power control relays inthe P91 and P92 power distribution panels forthe fuel boost 14CFR Part 39 Fede.-al Aviation Administration {Docket No. FAA-2008-0269; Directorate Identifier 2007-NM-320-ADj Amendmeo 

# 1~7.!~~

0010-17-05 R1N2120-AA64(491O-13-P]

DEPARTMENT OF TRANSPORT AnON Federal Aviation Administration "ONI:UR~rKES lOUTING sYM60L 14 CFR Part 39 

## Al,:Jrn-II'-i INIn"~SISlG (Docket No.FAA-2008-0269; Directorate Identifier 2007-NM-320-ADj Amendment 

## e.-.Q:t-e.•.. ::o() 39-**- AD **( I AT~ , 3·~~1() RIN 2120-AA64 Ainvorthiness Directives; The Boeing Company Model 737-600, -700, 

### -700e, -800, and -900 Series Airplanes AGENCY: Federal Aviation Administration (F:AA),DOT. ACTION: Final rule. SUMMARY: We are adopting anew airworthiness directive (AD) for certain Model 737-600, -700, 

## -?ooe, -800, and -900 series airplanes. This AD requires replacement of ANfv1-' 

# is< NlnAl$JSIG 

## G~~ re If 1/'lP10 NG sYMBOL 

## A1Jm'I~'S "

,.mAl.5,lSIG OUTING SY"'''OL 

### ~,Acc-" the power control relays in the P91 and P92 power distribution panels forthe fuel boost I and override pumps with new, improved relays having aground fault interrupter (GFI) feature. This AD results from fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent pump housing blUlJ-through due to electrical arcing, whic 

## Mrn-H5!J!? I lN1.5G could create apotential ignition source inside afuel tank. This condition, incombinatio ~ with tlammable fuel vapors, could result inafut tank explosion and consequent loss of A ~ OUTING SYMBOL the airplane. DATES: This AD iseffective [INSERT DATE 35 DAYS AFTER DATE OF PUBLICATION INTHE FEDERAL REGISTER]. The Director ofthe Federal Register approved the incorporation by reference of N1nAl..$J$IG certain publication listed in the AD as of [INSERT DATE 35 DAYS AFTER DATE OF I ' PUBLICATION INTHE FEDERAL REGISTBR]. ADDRESSES: For service information identifiL inthis AD, contact Boeing Com.mercial Airplanes, Attention: Data & Servi~es Management, P. O. Box 3707, MC