Service difficulty report · Gearshaft

Difficulty date
August 3, 2009
Submitted
August 3, 2009
Operation
General aviation
Engine
Allsn 250C20B
Part
Gearshaft
Part number
23039079
Part serial
GQ130481
Condition
Worn
Location
Gear Teeth
Part time
3,700 hours
Component
Gearbox · Allsn
Component part number
6894171
Stage of operation
UK
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

MATERIAL LOSS ON GEAR TEETH, WORN THROUGH NITRIDE COATING.