Service difficulty report · Bearing · Bell 407

Difficulty date
December 1, 2014
Submitted
December 1, 2014
Operation
General aviation
Aircraft
N439PH
Make and model
Bell 407
Aircraft serial
53999
Aircraft time
5,342 hours
Engine
Allsn 250C47B
Engine time
1,655 hours
Part
Bearing
Part number
M25010106
Part serial
NWC121195
Condition
Spalled
Location
Turbine
Part time
1,655 hours
Component
Turbine · Allsn
Component part number
M25010557
Stage of operation
IN
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.