Service difficulty report · Bearing · Bell 407

Difficulty date
September 21, 2016
Submitted
September 21, 2016
Operation
Air carrier
Aircraft
N439PH
Make and model
Bell 407
Aircraft serial
53999
Aircraft time
9,615 hours
Engine
Allsn 250C47B
Engine time
229 hours
Part
Bearing
Part number
6895007
Part serial
NWK151304
Condition
Spalled
Location
Torque Meter
Part time
229 hours
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 9-16-16 DUE TO METAL IN OIL. TORQUE METER ROLLER BEARING EXHIBITS SPALLING OF INNER RACE. REPLACED TORQUE METER ROLLER BEARING.

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