Service difficulty report · Gearbox · Beech 99

Difficulty date
May 27, 2006
Submitted
August 2, 2006
Operation
General aviation
Make and model
Beech 99
Aircraft time
54,488 hours
Engine
Pwa PT6A28
Part
Gearbox
Condition
Spalled
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
E, A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) THE ENGINE CHIP DETECTOR WARNING ANNUNCIATED IN FLIGHT. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT DIVERTED TO AN ALTERNATE AIRPORT. SUBSEQUENT INSPECTION REVEALED SPALLING OF THE FIRST STAGE REDUCTION GEARBOX GEARING. (TC# 20060704002)

More about the Beech 99