Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Brantly B-2 Series Helicopters
AD/B-2/30 Amdt 3
Retirement Life - Critical Components 2/73
Applicability: All model B-2.
Requirement: The following components shall be retired from service at or before the times shown below.
Main Rotor System Part Number Max. Operating Hours time in service Outboard Main Rotor Blades (except spar assy. P/N 248-45) 248-40 500 Outboard Main Rotor Blades (except spar assy P/N 248-45) 248-46 500 Outboard Main Rotor Blade 248-53 2500 Outboard Main Rotor Blade 248-100 2500 Outboard Main Rotor Blade 248-101 2500 Lag Hinge Block 4-1 2500 Lag Hinge Block 4-12 2500 Hub and Pylon Assy (when used with outboard blades P/N 248-40) 333 2500 Control Tube Assy - Main Rotor (when used with outboard blades P/N 248-40) 305-2 1310 Control Tube Assy - Main Rotor (when used with outboard blades P/N 248-46, 248-53, 248-100 and 248-101) 305-2 2500 Inboard Yoke 280-4 2500 Hub and Inboard Blade Assy. 305-1 2500 Pylon Outboard Bearing Shaft (Part of Hub and Inboard Blade Assy.) 280-5 or 280-6 500 Main Rotor Hub Clevis Bearings: Part Number Max. Operating Hours time in service Outer Race SJ7275SS 600*
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