What was found
ENGINE HAD SPALLING ON OUTER RACE AND BALLS OF NR 5 BEARING. REPLACED THE NR 5 BEARING.
- Difficulty date
- August 19, 2016
- Submitted
- August 19, 2016
- Operation
- Air carrier
- Aircraft
- N452P
- Make and model
- Bell 407
- Aircraft serial
- 53568
- Aircraft time
- 5,586 hours
- Engine
- Allsn 250C47B
- Engine time
- 5,393 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWK121381
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 1,043 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.