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Author: Hokey Smokes Bullwinkle   Date: 7/27/2021 7:21:44 AM  +2/-0  

That's 1 helluva of an AD!!:

FAA Aviation Safety AIRWORTHINESS DIRECTIVE www.faa.gov/aircraft/safety/alerts/ www.gpoaccess.gov/fr/advanced.html 2021-15-14 Various Restricted Category Helicopters: Amendment 39-21661; Docket No. FAA2019-0759; Product Identifier 2018-SW-075-AD. (a) Effective Date This airworthiness directive (AD) is effective August 30, 2021. (b) Affected ADs None. (c) Applicability This AD applies to various restricted category helicopters originally manufactured by Bell Textron Inc., (Bell) certificated in any category, including but not limited to: (1) Rotorcraft Development Corporation Model HH-1K helicopters; (2) Robinson Air Crane Inc.; Rotorcraft Development Corporation; and Tamarack Helicopters, Inc., Model TH-1F helicopters; (3) Bell; Overseas Aircraft Support, Inc. (type certificate previously held by JTBAM, Inc.); and Rotorcraft Development Corporation Model TH-1L helicopters; (4) Richards Heavylift Helo, Inc., Model UH-1A helicopters; (5) International Helicopters, Inc.; Overseas Aircraft Support, Inc.; Red Tail Flying Services, LLC; Richards Heavylift Helo, Inc.; Rotorcraft Development Corporation; Southwest Florida Aviation International, Inc.; and WSH, LLC (type certificate previously held by San Joaquin Helicopters), Model UH-1B helicopters without Supplemental Type Certificate (STC) No. SR00026DE installed; Note 1 to paragraph (c)(5): Helicopters with an SW204 or SW204HP designation are Southwest Florida Aviation International, Inc., Model UH-1B helicopters. (6) Bell; Overseas Aircraft Support, Inc.; Rotorcraft Development Corporation; Smith Helicopters; and West Coast Fabrications Model UH-1E helicopters; (7) AST, Inc.; California Department of Forestry; Robinson Air Crane, Inc.; Rotorcraft Development Corporation; and Tamarack Helicopters, Inc., Model UH-1F helicopters; (8) Arrow Falcon Exporters Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC; JJASPP Engineering Services, LLC; Northwest Rotorcraft, LLC; Overseas Aircraft Support, Inc.; Richards Heavylift Helo, Inc.; Rotorcraft Development Corporation; Southwest Florida Aviation International, Inc.; and Tamarack Helicopters, Inc., Model UH-1H helicopters; Note 2 to paragraph (c)(8): Helicopters with an SW205 designation are Southwest Florida Aviation International, Inc., Model UH-1H helicopters. (9) Bell; Overseas Aircraft Support, Inc.; and Rotorcraft Development Corporation Model UH1L helicopters; and (10) Robinson Air Crane, Inc.; and Rotorcraft Development Corporation Model UH-1P helicopters. 12 (d) Subject Joint Aircraft System Component (JASC): 5302, Rotorcraft Tail Boom. (e) Unsafe Condition This AD was prompted by multiple events involving failure of the tail boom attach structure, including the bolts. The FAA is issuing this AD to address fatigue cracking of tail boom attach fittings, cap angles, longerons, and bolts. The unsafe condition, if not addressed, could result in separation of the tail boom from the helicopter and subsequent loss of control of the helicopter.

 
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