Archives: Service bulletins

All Service bulletins

Modification and Inspection – Belt Drive Idler Pulley Clutch Assembly P/N 269A5447 and 269A5447-3

Rework – Flotation Gear Installation Kit No. 269A4300-15

Manually Operated Searchlight Installation P/N 269A4333 Series Wire Replacement Alternator Switch to Circuit Breaker

University Sound System Kit Installation P/N 269A4190-1 and 269A4190-3 Modification of MA-500 Amplifier

Inspection – Landing Gear Damper (poppet type) Assembly P/N 269A3150

25 Hour Inspection – Main Rotor Blade

Upper Pulley Sleeve, Locknut and Spacer – Belt Drive Transmission Assembly

Static Source Relocation – Modification Kit No. M10059-5

Shim Installation – Tail Rotor Hub at Fork (Teeter) Bearing; Replacement – Tail Rotor Fork Bearing

Inspection – Main Rotor Mast Internal Corrosion