14CFR Part 39 14910-13-Pj DEPARTMENT OF TRANSPORT AnON Fede.-al Aviation Administration



# 063<:6 jDocket No. FAA-2008-1 II II; Directorate Identifier 2008-NM-03S-ADj R1N 2120-AA64 Airworthiness Directives; Lockheed Model 382, 382B 382E, 382F, and 382G Series Airplanes AGENCY: Federal Aviation Administration (FAA), DCDT. ACTION: Notice ofproposed rulemaking (NPRM). SUMMARY: We propose to adopt a llew ainvorthines directive (AD) for all Lockhee ModeJ 382, 382B, 382E, 382F, and 382G series airplanes. This proposed AD would require revising the FAA-approved maintenance prograJ by incorporating new aiIWorthiness limitations forfuel tank systems to satisfy Special Federal Aviation >NCURRE"C~, "Ol.n·,,,,, SYMOOL

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l)lrrING WMllOl. Regulation No. 88 requirements. This proposed AD wOrd also require the accomplishment ofcertain fuel system modifications, tie initial inspections ofcertain repetitive fuel system limitations to phase in those inspections, and repair ifnecessary. This proposed AD results from adesign review ofthe fJel tank systems. We are I 'NmAl.S/s[G proposing this AD to prevent the potential for ignition SGlurcesinside fuel tanks caused y latent failures, alterations, repairs, or maintenance aetiols, which, in combination with flammable fuel vapors, could result in a fuel tank exPloJon and consequent loss ofthe airplane. DATES: We ml,lstreceive comments on this proposed by [insert date 30 days after date ofpublication in the FEDERAL REGISTER]. ADDRESSES: You may send comments by any ofthe following methods:

• Federal eRulemaking Portal: Go to http://W'.\'\\'\regUlations.gOv. Follow the instructions for submitting comments. OUTING5VMB(ll(49IO-13-P]

DEPARTMENT OF TRANSPORTATION 

### Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2008-' I I I I ; Directorate Identifier 2008-NM-035-AD] R1N 2I20-AA64 Airworthiness Direl'lives; Ulckhecd Model 382, 382B, 382E, 382F, aod 382G Series Airplaoes AGENCY: Federal Aviation AdIninistration (FAA), D0T. ACTION: Notice ofproposed rulemaking (NPRM). SUMMARY: We propose to adopt anew airworthiness directive (AD) for all Lockheed Model 382, 382B, 382E, 382F, aod 382G series airplaoes. This proposed'AD would

... thF'AA ed' lb" requITereVlsmg e -approv mamtenance prognup y mcorporatmg new airworthiness limitations for fuel tank systems to satiSfyiSpecial Federal Aviation Regulation No. 88 requirements. This proposed AD wo 

## lrl also require the

_ accomplishment ofc:rtain fuel system modificatio~, thl initial-inspections ofcertain rel"'titive fuel system limitations to phase inthose ins~tions, aod repair ifnecessary .. This proposed AD ~esu1tsfrom adesign revie:-vofthe ,ei tank systems. We are 'M. proposing this AD to prevent the potential for ignition sources inside fuel tanks caused by C~T~ latent failures, alterations, repairs, ormaintenance actio~s, which, in combmation with flammable fuel vapors, could result in afuel tank"eXPloJion and consequent loss ofthe airplane. 

### DATES: We:must n:ceive comments onthis proposed AD by [insert date 30 days afte~ date ofpublication in the FEDERAL REGISTER]. ADDRESSES: Youmay send comments by any ofthe rOllowing methods:

• Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments. ..~.T'"

FAAForm 1360-1.4.1 (6-89) OFFICIAL FILECOpy