What was found
ENGINE DISASSEMBLED 4-29-16, DUE TO TURBINE OVERHAUL, COMPRESSOR IMPELLER RETIREMENT, CEB-72-6081, 150, 300 & 2000 HR INSPECTIONS. NR 5 BEARING, REMOVED DUE TO SPALLING ON INNER RACE AT SPLIT. REPLACED NR 5 BEARING.
- Difficulty date
- May 9, 2016
- Submitted
- May 9, 2016
- Operation
- General aviation
- Aircraft
- N445PH
- Make and model
- Bell 407
- Aircraft serial
- 54096
- Aircraft time
- 1,682 hours
- Engine
- Allsn 250C47B
- Engine time
- 9,386 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWF140856
- Condition
- Spalled
- Location
- Turbine Section
- Part time
- 495 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.