Service difficulty report · Bearing · Bell 407

Difficulty date
June 18, 2018
Submitted
June 18, 2018
Operation
Air carrier
Aircraft
N427P
Make and model
Bell 407
Aircraft serial
53278
Aircraft time
9,721 hours
Engine
Allsn 250C47B
Engine time
12,801 hours
Part
Bearing
Part number
M25010399
Part serial
FAG144634
Condition
Making Metal
Location
Gearbox
Part time
524 hours
Component
Gearbox
Component part number
23063393
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

ON DISASSEMBLY OF THE ENGINE, METAL WAS FOUND IN THE GEARBOX. NR 3 ROLLER BEARING EXHIBITED METAL PICKOUT IN SEPERATOR POCKETS. INSTALLED A NEW BEARING.

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