Service Information Notification
McCauley has become aware of an unapproved variant of the McCauley P/N A-20028 idler governor gear bearing that may cause erratic governor behavior, including the inability of the governor to hold selected RPM, hunting, surging, etc., due to governor bearing failure. The A-20028 bearing is utilized in ALL McCauley governor models. This Service Bulletin requires the removal of certain governors that are in service for inspection for the unapproved bearing variant.
SEL-61-01 – Propeller – Propeller Governor Inspection in Accordance with McCauley ASB273 (Models: Single Engine Pistons) Compliance: M – Date: 11/16/2018
MEL-61-01 – Propeller – Propeller Governor Inspection in Accordance with McCauley ASB273 (Models: Multi-Engine Pistons) Compliance: M – Date: 11/16/2018
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