What was found
TURBINE HAS SPALLING BALLS AND OUTER RACE. REPLACED WITH NEW BEARING.
- Difficulty date
- May 10, 2010
- Submitted
- December 14, 2010
- Operation
- Air carrier
- Aircraft
- N494PH
- Make and model
- Bell 407
- Aircraft serial
- 53396
- Aircraft time
- 8,750 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- 6871505
- Part serial
- MP086353
- Condition
- Spalled
- Location
- Turbine
- Part time
- 2,978 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.