Bell HelicopterService Bulletin

2025 Bell Service Bulletins

By February 3, 2025 No Comments

DOCUMENT TITLE COMPLIANCE DATE
       
412TB-23-249 Light Dimming Resistors, Rewiring and Retrofit of (Model: 412EP) Technical 1/16/2025
412IL-25-99 412EPX Transmission Overhaul Interval Reduction (Model: 412EPX) Informational 1/14/2025
505ASB-25-43 Crew Seat Restraint Rotary Buckle Assembly 1111475-01, Inspection of (Model: 505) Alert 1/13/2025
505TB-24-32 Lubricant Conversion Procedure From ThixO SYN (C-172) To Mobilgrease 28 (C-001), Without Disassembly, Introduction of (Model: 505) Technical 1/13/2025
412IL-25-98 Introduction of Universal Main Gearbox (Model: 412HP, 412EP, 412EPI) Informational 1/9/2025
505IL-25-41 Lithium-Ion Battery Technology Explained (Model: 505) Informational 1/8/2025
505IL-25-42 Alternate Means Of Compliance (AMOC) To Airworthiness Directive CF-2024-03, Distribution of (Model: 505) Informational 1/8/2025
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