Service Bulletins

100 Hour Inspection – Main Rotor Hub Lead-Lag Links -PN 369A1234-Basic AND-7 AND 80-369H1234 and Lead-Lag Link Assembly PN 369H1203


100 Hour Periodic Inspection Fuel Tank Sending Unit and Fuel Low Warning Light Indication System


369A5400 SERIES TAIL ROTOR GEARBOX – REVISED OVERHAUL SCHEDULE (TBO) AND COMPONENT FINITE LIFE (FAA AD 72-16-9)


3659A8010 Engine Oil Pressure and Torque Tube Pull Test


Battery Case Inspection


Center Passenger Seat, Lap Belt Check; Preflight Check of Passenger Lap Belt and Shoulder Strap Fit and Adjustment


Conversion to 369A5350-41 Overrunning Clutch Sub-Assemblies


Corrosion Inspection and Treatment One-Way Lock Support Assembly PN 369A7314 and 369N2648


Corrosion Removal – Main Rotor Drive Shaft ID


Daily Pre-flight Examination of Main Rotor Blade Leading Edge Abrasion Strip Bonding


Deactivation of Main Rotor Brake System (if installed); Periodic Inspection of Tail Rotor Drive Shaft Forward Flexible Coupling PN 369A5501 or 369H92564


Engine Compressor Water Wash Kit Installation PN 369A92537 – Inspection and Replacement of Rivets


EON Seat Belt Removal


EXCHANGE OF ENGINE BAY DOOR LATCH ASSEMBLIES WITH MISSING LOCKWIRE HOLE


Exit Warning Decal (Including AC 91-32 Safety In and Around Helicopters)


Field Inspection and Repair of Tail Rotor Transmission Main Housing Assembly PN 369A5401


Field Replacement of Lock Fitting – Ground Handling Wheel Assemblies PN 369A9905 (AER-BEA PN AB 2387)


Field Rigging Check – PN 369A8013 Series and PN 369A8051 Series Heater Control Valve Assembly


Finite Service Life Reduction of the Tail Rotor Tension Torsion Strap Pack Assembly PN 369A1706 (Basic)


Firewall Fuel Fitting Modification