Archives: Service Letter

All Service Letter

New SA-269K-101 Fuel System Vent Kits

Verification of Mandatory Cluster Fitting Replacement

Optional Anti-Collision Light Conduit in New 269A2320 – 17 Tailboom Assemblies

New Electric Driven Airframe Fuel Pump

Printer Errors in Notice and Letter Sets January 1990

Company Policy – Unapproved Parts

Changes to Notice and Letter Nomenclature

Lubricating Oil

Avco Lycoming Service Bulletins – No. 454B Replacement of Oil Pump Impellers, No. 456C Replacement of Oil Pump Impellers and No.477A Inspection and Rework of PNLW-18790 Rocker Arm Assembly

New Belt Drive Transmission H-Frame