Service difficulty report · Bearing · Bell 407

Difficulty date
November 11, 2014
Submitted
November 13, 2014
Operation
General aviation
Aircraft
N440PH
Make and model
Bell 407
Aircraft serial
53327
Aircraft time
16,682 hours
Engine
Allsn 250C47B
Engine time
11,316 hours
Part
Bearing
Part number
M25010106
Part serial
NWE131632
Condition
Spalled
Location
Turbine
Part time
1,140 hours
Component
Turbine
Component part number
23063354
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.

What was found

ENGINE REMOVED 11-6-14 DUE TO METAL IN OIL. SPALLED OUTER RACE, SEVERAL BALLS AND WORN SEPERATOR POCKET.

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