The FAA proposes to adopt a new airworthiness directive for Eurocopter France Model AS350B, BA, B1, B2, B3, and D, and Model AS355E, F, F1, F2, and N helicopters with certain tail rotor blades.

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The FAA is proposing to adopt a new airworthiness directive for Sikorsky Aircraft Corporation Model S-92A helicopters to require modifying the No. 1 engine forward firewall center fire extinguisher discharge tube.

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The FAA is adopting a new airworthiness directive (AD) for Eurocopter France Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters with certain Aerazur emergency flotation gear attachment brackets (brackets) installed, requiring an initial and recurring inspection of the brackets for a crack, and if there is a crack, replacing the cracked bracket with an airworthy bracket.

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The FAA is adopting a new airworthiness directive (AD) for Eurocopter France (Eurocopter) Model AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, AS350D1, AS355E, AS355F, AS355F1, AS355F2, and AS355N helicopters, requiring visual and dye penetrant inspections for cracks in the rear roller support shaft (shaft) and rear fitting (fitting) of the sliding door, and replacing the shaft or fitting if there is a crack. This

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The FAA is adopting a new airworthiness directive for Eurocopter Deutschland GmbH Model MBB-BK 117 C-2 helicopters, requiring the inspection of the long tail rotor drive shaft assembly for blind rivets, and if any blind rivets are installed, replacing that shaft assembly.

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The FAA proposes to adopt a new airworthiness directive for certain Eurocopter France Model AS332C, AS332L, AS332L1, AS332L2, and EC225LP helicopters to require inspecting for the presence of blind holes in the tail gearbox attachment fittings, and, if they are missing, installing an additional washer under the head of the attachment bolt until the attachment fitting is replaced with an airworthy attachment fitting.

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The FAA proposes to adopt a new airworthiness directive for ECD Model MBB-BK 117 C-2 helicopters. This proposed AD would require inspecting the rigging of the power-boosted control system and, if there is a nonparallel gap between the rigging wedges and the inner sleeves, performing a rigging procedure.

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The FAA proposes to adopt a new airworthiness directive for certain Bell Helicopter Textron Canada Inc. Model 206A, 206B, and 206L helicopters. This proposed AD would require replacing certain part-numbered engine auto-relight kit control boxes.

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The FAA proposes to adopt a new airworthiness directive for Eurocopter France Model EC120B and EC130B4 helicopters with certain emergency flotation gear installed.

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The FAA is adopting a new airworthiness directive for Eurocopter France EC130B4 helicopters. This AD requires visually checking the center windscreen panel for a crack and replacing the center windscreen if there is a crack, if the windscreen distorts during flight, or within 12 months.

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