Bell HelicopterNotices & Airworthiness DirectivesService Bulletin

Bell Helicopter Service Bulletins – January 2021

By January 29, 2021 No Comments
DOCUMENTTITLECOMPLIANCEDATE
Bell Helicopter   
ASB_429-15-16-RCTail Rotor Pitch Link Bearing, Inspection and Upgrade ofAlert10/19/2020
ASB_429-19-47-RATail Rotor Gearbox Support Retaining Rivets, Inspection ofAlert11/3/2020
ASB_206-20-140Main Rotor Blades P/N 206-010-200-133 /-137 /-139 Grip Plates and Root End Doublers, Inspection ofAlert11/16/2020
ASB_206L-20-185Main Rotor Blades P/N 206-015-001-115 /-117 /-119 Grip Plates and Root End Doublers, Inspection ofAlert11/16/2020
ASB_429-14-15-RDGoodrich External HoistAlert12/8/2020
ASB_505-20-19-RAMain Rotor Blades P/N 206-015-001-119 Root End Doublers, Inspection ofAlert12/9/2020
ASB_212-20-163-RAEngine Oil Check Valve P/N 209-062-520-001, Inspection and Replacement ofAlert12/17/2020
ASB_212-20-164-RAFuel Check Valve P/N 209-062-607-001, Inspection nd Replacement ofAlert12/17/2020
ASB_412-20-182-RAEngine Oil Check Valve P/N 209-062-520-001, Inspection and Replacement ofAlert12/17/2020
ASB_412-20-183-RBFuel Check Valve P/N 209-062-607-001, Inspection and Replacement ofAlert12/17/2020
ASB_412CF-20-69-RAEngine Oil Check Valve P/N 209-062-520-001, Inspection and Replacement ofAlert12/17/2020
ASB_412CF-20-70-RAFuel Check Valve P/N 209-062-607-001, Inspection and Replacement ofAlert12/17/2020
ASB_206L-20-184-RCSegmented Tail Rotor Driveshafts 206-040-369-001/-101, 206-040-365-001/-117/-125 with Bonded Adapters, Proof Load Test ofAlert1/14/2021
TB_407-20-136Automatic Flight Control System (Afcs) Wiring Installation, Modifcation ofTechnical10/13/2020
TB_429-20-64GTN 750/650 NAV/COM/GPS Series Unit Main Software Version 6.21, Upgrade to 6.62.Technical10/19/2020
TB_412-20-244Collective Lever Assembly, 412-010-464-101, Introduction ofTechnical12/10/2020
TB_412CF-20-112Collective Lever Assembly, 412-010-464-101, Introduction ofTechnical12/10/2020
TB_505-21-27Restraint Assembly (Live Pylon) SLS-030-910-109, Improvement ofTechnical1/14/2021
IL_505-20-12Forward Tail Rotor Driveshaft CorrosionInformational10/7/2020
IL_212-20-72Introduction of Bell Missionlink Web Site and Missionlink Edge SoftwareInformational10/16/2020
IL_412-20-89Introduction of Bell Missionlink Web Site and Missionlink Edge SoftwareInformational10/16/2020
IL_429-20-09Introduction of Bell Missionlink Web Site and Missionlink Edge SoftwareInformational10/16/2020
IL_429-20-10Inadvertent Actuation of Bell 429 Collective Stick Head SwitchesInformational10/19/2020
IL_407-20-120Main Rotor Blade Trailing Edge Voids/GapsInformational10/30/2020
IL_412-20-83-RABell 3-Year Rogerson Kratos (Rk) Display Unit Support Plan Offer.Informational11/10/2020
IL_429-20-05-RABell 3-Year Rogerson Kratos (Rk) Display Unit Support Plan Offer.Informational11/10/2020
IL_407-20-121Erroneous GPS Position and Momentary False Taws AlertsInformational11/12/2020
IL_429-20-12Erroneous GPS Position and Momentary False Taws AlertsInformational11/12/2020
IL_505-20-13Erroneous GPS Position and Momentary False Taws AlertsInformational11/12/2020
505-Airworthiness_and_Scheduled_Inspection.pdf505 – Inspection and Airworthiness LimitationsMaintenance11/12/2020
407-GX-GXi-Inspection_and_Airworthiness_Limitations.pdf407-GX-GXi-Inspection_And_Airworthiness_LimitationsMaintenance12/1/2020
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