Service difficulty report · Bearing · Bell 407

Difficulty date
August 19, 2016
Submitted
August 19, 2016
Operation
Air carrier
Aircraft
N430PH
Make and model
Bell 407
Aircraft serial
53870
Aircraft time
7,977 hours
Engine
Allsn 250C47B
Engine time
11,319 hours
Part
Bearing
Part number
M25010106
Part serial
NWF140816
Condition
Spalled
Location
Nr 5
Part time
1,431 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 NR 5 BEARING EXHIBITED ONSET OF SPALLING AT OUTER RACE SPLIT. REPLACED THE NR 5 BEARING.

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