Service difficulty report · Bearing · Bell 407

Difficulty date
July 26, 2016
Submitted
July 26, 2016
Operation
Air carrier
Aircraft
N443PH
Make and model
Bell 407
Aircraft serial
54090
Aircraft time
5,945 hours
Engine
Allsn 250C47B
Engine time
5,845 hours
Part
Bearing
Part number
M25010106
Part serial
NWF140797
Condition
Spalled
Location
Nr 5
Part time
1,873 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 DUE TO METAL IN OIL. NR 5 BEARING EXHIBITED EXCESSIVE SPALLING OF BALLS AND DAMAGED SEPERATOR. REPLACED THE NR 5 BEARING.

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