SDR 2017F00107

Service difficulty report · Bearing

Difficulty date
July 17, 2017
Submitted
July 17, 2017
Operation
General aviation
Aircraft
N401HP
Engine
Allsn 250C20B
Engine time
12,665 hours
Part
Bearing
Part number
M25010106
Condition
Failed
Location
Turbine
Part time
1,379 hours
Component
Turbine · Allsn
Component part number
23038241
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

ENGINE CHIP LIGHT CAME ON, TURBINE WAS INSPECTED AND THE NR 5 BEARING WAS FOUND TO BE THE CAUSE OF METAL GENERATION.