Service Bulletins

Terminal – Inspection-Modification – Nickel-Cadmium Battery PN 369A4530 and 369H4540


United Instrument Inc. Altimeter – Inspection and Rework


UPPER MAIN ROTOR PITCH CONTROL ROD END, PN 369A1011 INSPECTION AND REPLACEMENT


Wiring Modification – Untility Light Circuit and Transmission Oil Pressure and Temperature Warning Light Circuit


Wiring Modification Kit (PN M50450) Automatic Engine Re-ignition Kit PN 369H90118-505 AND-507 AND -509 AND-511