What was found
ENGINE WAS REMOVED TO REPLACED THE NR 5 BEARING. REPLACED THE NR 5 BEARING DUE TO SPALLING ON OUTER RACE AND 1 EACH BALL.
- Difficulty date
- February 1, 2017
- Submitted
- February 2, 2017
- Operation
- Air carrier
- Aircraft
- N411P
- Make and model
- Bell 407
- Aircraft serial
- 53288
- Aircraft time
- 8,010 hours
- Engine
- Allsn 250C47B
- Engine time
- 2,927 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWK120900
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 1,057 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.