Service Bulletins

REPLACEMENT OF MOBIL SHC 626 WITH MOBIL AGL


Replacement of PN 369A1602 Tail Rotor Drive Fork Hinge Bolt and PN 369A1603 Nut


Replacement of PN 369A7706-3 RPM Governor Lever Control Rod


Replacement of Tavco PN 23111357 Solenoid Valve AND Float Inflation System – Emergency Float Assemblies Hughes PN 369H92036-1 AND-2


REWORK – ENGINE OIL COOLER FAN ASSEMBLY PN 369H8062


Rework of PN 369A7120 – Longitudinal Friction Guide Link AND Cyclic Pitch Control Installation


Rework or Replacement – Fuel Cell Assemblies PN 369H8101-3 AND -5 and 369A8102-3 AND -5


Riveting Tail Rotor Tip Cap to Blade


Riveting Tip Cap to Tail Rotor Blade


Sealing of Interface of Abrasion Strip and Main Rotor Blade Skin


Shimming Procedure for Gas Producer Interconnecting Torque Tube Assembly


Special Inspection of PN 369A7003-1 Swashplate Bearing Assembly


Start Pump Wire Routing and Fuel Quantity Sender Inspection


Tail Rotor Blade Abrasion Strip Modification


Tail Rotor Blade Abrasion Strip Tap Test and Modification


TAIL ROTOR BLADE ASSEMBLY INSPECTION


Tail Rotor Blade Assembly, One Time Inspection


Tail rotor Blade, Leading Edge Inspection for Cracks


Tail Rotor Drive System Inspection – Installation of Tail Rotor Drive Shaft PN 369A5518-601 and Bungee Assembly


Tail Rotor Driveshaft Aft Fail Safe Device – Installation and inspection