14 CFR Part 39 11/lotO

il(>lJT,m; $'>'~l J.

f-j

uATF.

12/ I/o

Federal Aviation Administration

14910-13-PJ

DEPARTMENT OF TRANSPORTATION

Airworthiness Directives; The Boeing Company ModeJ 777-200, -300, and -300ER

RJN 2120-AA64

\'l11

[Docket No. FAA-2010-++++; Directorate Identifier 2010-NM-187-AD]

SUMMARY: We propose to adopt a new airworthiness directive (AD) for the products

listed above. This proposed AD would require installing an auto shutoff feature for the

center override/jettison fuel pumps; and installing power control circuitry for the center

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemakillg (NPRM).

override/jettison and main jettison fuel pumps. This proposed AD would also require

installing new software in the electrical load management system (ELMS) electronics

1l<lIIl'INOSYMOOL.

/fNA -{crt>

~W'; n

o

units in certain power management panels; installing airplane information management

system 2 (AIMS~2) software in the AfMS-2 hardware; and making certain wiring

changes. This proposed AD was prompted by results from fuel system reviews conduct I'[IA1.5'iil"

by the manufacturer. We are proposing this ~ to prevent the potential of ignition om

sources inside fuel tanks, which, in combination with flammable fuel vapors, could regu l!flN(;SV ••"Ol.

in a fuel tank explosion and consequent loss of the airplane.

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

DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER]_

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

• Federal cRulemaking Portal: Go to http://,,,,,,"'w.regulations.gov. Follow the

instructions for submitting comments.
14910·13 ...1'1

DEPAnTi\1ENT OF TRANSPORTATION

'"'''''''' "'-

1~'T1Al..5f5'C

ANM"IL~

D··V.:xc of

'.'~

I' (q

:ONOJ•• ~"ClS

,'T1~'; SY"EV~'

G··~~~S

~:~/iq/~o

.oo,,·"'s· ••••.• -..

'Ml"""7,lC ._-

'''''t

t""""""s....--

'~m'"'5o'SlG

~---

;nl"'" S'lt<l\OL

..mA"'''''''

Ol{

"""NCS,,,,,c..

"",~~~

"

lO'JTI"G S."I\()\,

I~HA>.SIS""

.n

:;IUU!>{; S·,'"'l\Ql

",J"ALs,rS'r,

""',£

by Ihe manufaclurer. We arc proposing this AD 10 prevenl the potential of ignitioll

14ern Part 39

• Fl'deral eRu1cmaking Portal: Go to hllp:l!www.relwlations.!.!o\.. Follow the

installing new sofiWllrc in the eleetricalload m:lllllgcment system (Ell"tS) d('(:lronics

II}OI:kt't No. FAA·2010·+-H-+; DirectOnlle Identifier 2010-NM-181-ADI

ADDnESSES: You may send eommt."nls by any uflhe fol1owill~ methods:

Federal '\\"30011 Administration

Airworthiness Directive:<;; The Boeing CornpilflY Model 777·200. -300, and -300ER

in a fucll<lnk e.-.:plQsionand eonsequcm loss of the ilirplanc.

R(N 2120-AA64

""<'lIwr \1I'crridc:ljcllison fuel pumps, ilnd instl1ll\ng powel' con'trol dl'euilry for the c\;nler

ovcrriddjclIisoll and main jettison fuel pumps. nlis proposJ AD would also require

Serres Air[1l,m~

units in certain power managemcru panels; installing airplane informatiOll mall:lgcment

il1S1l'UCiiollS for submitting commems.

sy~tcrn 2.(~\~MS':!)soHware in the A1MS·2 hardwar('~ and ITkin!! certain.wiring

dl:lIlgCS. r hIS pl'oposed :\ D was prompted hy resulls tram fud system reViews conducted

sources inside fuel tanks., which, in combinarion wi1h l1ammable fud vapors, could result

0" TES: We Inustn:ecive comments on Ihis proposed AD by [INSERT DATE 45

DAYS Af--I"ER DATE OF PUBLICATION IN TilE FEDERhL REGISTER I.

AGENCY: Fedol',,1 Aviation Administratioll (FAA). DOT.

ACTION: Notice of proposed rulemaking (NPRM),

SUMMARY: We propose to adopt a new ain\'orthincss directive (AD) for thc products

lisk·d above. 111is proposed AD would require ins!.<lllingan auto shutoff feawre for the
14910-I3-P]

DEPARTMENT OF TRANS PORTAnON ·O>il"tI<,,-·r.F~

"'''''''-'''IIV<

Federal Aviaf.ion Administration

14 CFR Pal-t 39 I

[Dorket No. FAA-2010-++++; Directorate IdFntificr 2010-NM-I87-ADI

RlN 2120-A.-\64

Airworthiness Directives; The Boeing Company Model 777-200, -JOO, and -300ER

D, p",,,ilM'

,,,, u

al

" , '}oro I

AGJ:<:NCY:Federal Aviation .Administration (F\AA1, DO'r.

actions, this proposed AD would require installing new

ACTION; Notice of proposed l"ulcmaking (NP~1).

SUMi'I•.IARY: \Ve propose to adopt a new airwonhiness directive (AD) for the products -- !

11 ,If 0

listed above. This proposed AD would require installing an auto shmoff featufe for the ••,.••,....•...,.

center override/jettison fuel pumps; and installiig powcr control circuitry for the center

override/jetlison and main jettison fuel pumps. Prior to or concurrently \vith those

Series Airplanes

X ne ••••.oflertl:tlEma! t"lelg:hlR'l config~ra{iop. software in the electrical load management

system (ELMS) electronics units in certain power management panels; Installing the ~.,

I

airplane ~nfomult~on l~l~nageIllCJlt SYSI~m2 (A1rS-2) sofiware in the AIMS-2 h,~nlware ">li1l""5'~"'''.

and makmg certmn wtnng changes. ThIS proposed AD was prolllpted by results tram fu ;~"""c'L''''''

system reviews conducted by the manufacturer. 1Ne are proposing this AD to ~-pre\'cn

>'IT

the potential of ignition sources inside fuel tanks, which, in combination wilh Oammabl

fuel vapors. could result in a luel tank e,plosiol and con<e'lucnt loss orthe "irpbne.

DATES: \"ie must receive comments on this pr0poscd AD by [INSERT DATE 45

DA YS AFTER DATE OF PUBLlCATION IN THE Federal Register].

AUDRESSES: You may send comments by any of the following methods:

\

, .-

\. ...-----_1
14910-13-P)

DEPARTMENT OF TRANSPORTATION :o«oJ~~"n::r<s

.0\1EN<: 5'''&0\.

Federal Aviation Administration

14 CFR PaTt 39

(Docket No. FAA-20tO-++++j Directorate ld~nti.fier ZOIO-NM-187-ADJ

RIN 2120-AA64 l

Ain ••.. orthincss Directives; The Boeing Campa

l

y MOd,,:l77i-200. -300, and -300ER

Series Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPiM).

SUMMARY: We propose to adopt a new airworthiness directive (AD) for the products

listed above. This proposed .W would require installing an auto shutoff fc-ature for the

811(0111'1'

,~m~s•••

?,; P",cj"'{

"O/H/

••

IN!TL'.'-"ISIG

cent'cr override/jettison fuel pumps; and installing power control circuitry for the center

overrlde/jelllson and main jelllson fl'ei pumps. friar to or concurrently with those

actions, this proposed AD would require installing new .

BO,," epeJ'atieflftf-t,wegram e-8Rfig\:lratieR software in the electrical load managcmem

system (ELMS) electronics units in certain power management panels; installing the

I

airplane infomultion management system 2 (AlrSw2) software in the AIMS-2 hardware

and making certain wiring changes. This proposFd AD was prompted by results from fu

sysiem reviews conducted by the manufacturer. Ie are proposing this AD to J.Ae'preven .~

tJle potential of ignition sources inside fuel tanks, which, in combination with nammabl

fuel vapors, could result In a fuel tank eXPIoslonland consequent loss of the ,"rplane.

DATES: We mllst receive conmlcnts on this PTlposed AD by [INSERT DATE 4S

DAYS AFTER DATE OF PUBLICA nON IN THE Federal Register]. I -

ADDRESSES, You may send comments by an1 ofd,C following method"

x

!