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# I -~ ACTION: Notice ofproposed rulcmaking (NPRM). --~"""



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# c-<-- SUMl\'IARY: We propose to adopi a ne\V anworthiness directive (AD) for the products 

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### DEPARnlENT OFTRANSPORTATION 14 CFR Part 39 

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# DiIctoratc Identifier 2010-NM-206-A.D1 RlN 212D-AA64 Ain'''ortitiness Directives; Fokker ervices B.Y. Model F.28 Mark 0100, 1000,2000, Federal Aviation Adm.inistration

condition as: (T]hc FAA published SpecIal Federal Aviation Regulation (SFAR) 88. <lndthe Joint Aviation AuUiorities (JAA) published Interim Policy tNT/POU2S/ !2. The desigr review conducted by Fokker on Ihe F28 in response to these regulatio~s revealed thaI, in case of a lightning strike, all ignition source can deveJoli in the wing lank vapour space during fuel transfer from bag tank:

# Cwr [ccmer wing tank]. if the electrical power for refuelling is not s\\'itched QITatlcr refuelling. Service experience has re,~alcd situations where the po\vcr SWitch of the Fuelling Control Panel (F P) appeared Lobe "ON" \\ith the access panel closed. The eam on the ace ss panel that should operate the power switch. if forgoucn by flight crew 

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### condition as: and correct anunsafe condition on an aviation product. The MCAl describes the unsafe information (MCAI) originated by an aviation authority of another country to identify AGENCY: Federal Aviation Administration (FAA), DOT. AcnON: Notice ofproposed ndlaking (NPRM). SUl\'[!\iARY: We propose to adOptanew airworthiness directive (AD) forthe products listed above. This proposed AD r 

# I Its from mandatory continuing airworthiness
[1]he FAA published SpecIal Federal Aviation Regulation (SFAR) 88, and the Joint Aviation Au~orities (JAA) published Interim Policy TNTIPOU251l2. The desjgp review conducted by Fokker on the F28 in response to these regulatio?s revealed that, in case ofa lightning strike, an ignition source can develoR in thewing tank vapour space during fuel transfer from bag tank CW

# t[center wing tank], ifthe electrical power for refuelling is not s\'.ritched 

### ITafter refuelling. Service experience has rev alcd situations where the power switch ofthe Fuelling Control Panel (FOP) appeared tobe "ON" with the access panel closed. The cam onthe a~ess panel that should operate the power s\vitch, ifforgotten by 

### flight crew or maintenance staff, can pivot away during closing orthe panel, \\'-mcHmay result inthe switch staying inthe "·ON" position. 3000, and 4000 Airplanes Ainvortbiness Directives; Fokker Services B.V. Model F.28 Mark 0100, 1000, 2000, (Docket No. FAA-2010-*****; Di ectorate Identifier 2010-NM-206- . .<\D] Federal Aviation Administration
RlN 2120-AA64 14 CFR Part 39

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