What was found
ENGINE WAS REMOVED DUE TO METAL IN OIL. NR 5 BEARING INSP REVEALED SPALLING OF OUTER RACE. REPLACED NR 5 BEARING.
- Difficulty date
- June 2, 2011
- Submitted
- September 9, 2011
- Operation
- Air carrier
- Aircraft
- N412PH
- Make and model
- Bell 407
- Aircraft serial
- 53862
- Aircraft time
- 4,565 hours
- Engine
- Allsn 250C47B
- Engine time
- 6,368 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- 6871505
- Part serial
- MP091420
- Condition
- Spalled
- Location
- Turbine
- Part time
- 936 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.