What was found
ENGINE REMOVED 4-29-16, DUE TO TURBINE O/H, COMPRESSOR N1 SHAFTING, 150, 300 & 2000 HR INSPECTIONS. TURBINE NR 5 BEARING EXHIBITED SPALLING AT OUTER RACE SPLIT. REPLACED NR 5 BEARING.
- Difficulty date
- May 9, 2016
- Submitted
- May 9, 2016
- Operation
- General aviation
- Aircraft
- N495PH
- Make and model
- Bell 407
- Aircraft serial
- 53397
- Aircraft time
- 4,503 hours
- Engine
- Allsn 250C47B
- Engine time
- 1,969 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWE141135
- Condition
- Spalled
- Location
- Turbine
- Part time
- 1,032 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.