What was found
ENGINE REMOVED DUE TO, RAN WITHOUT OIL PRESSURE. NR 5 BEARING EXHIBITED SPALLING OF OUTER RACE. INSTALLED NEW BEARING.
- Difficulty date
- June 13, 2012
- Submitted
- July 11, 2012
- Operation
- Air carrier
- Aircraft
- N721PH
- Make and model
- Bell 407
- Aircraft serial
- 53457
- Aircraft time
- 8,834 hours
- Engine
- Allsn 250C47B
- Engine time
- 11,620 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing Race
- Part number
- 6871505
- Part serial
- MP090299
- Condition
- Spalled
- Location
- Nr 5 Bearing
- Part time
- 460 hours
- Component
- Turbine Assy · Allsn
- 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.