Service difficulty report · Bearing · Bell 407

Difficulty date
November 17, 2016
Submitted
November 17, 2016
Operation
Air carrier
Filed by
HEER617E
PHI Aviation, LLC
Aircraft
N742PH
Make and model
Bell 407
Aircraft serial
53461
Aircraft time
16,247 hours
Engine
Allsn 250C47B
Engine time
8,489 hours
Part
Bearing
Part number
M25010106
Part serial
NWC150509
Condition
Spalled
Location
Turbine
Part time
1,027 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

NR 5 BEARING EXHIBITED SPALLING ON OUTER RACE SPLIT. REPLACED WITH NEW NR 5 BEARING.

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