What was found
ENGINE REMOVED DUE TO FOREIGN OBJECT DAMAGE. NR 5 BEARING EXHIBITED ROUGH ROTATION AND SPALLING OF OUTER RACE. INSTALLED NEW BEARING.
- Difficulty date
- January 3, 2012
- Submitted
- January 16, 2012
- Operation
- Air carrier
- Aircraft
- N422PH
- Make and model
- Bell 407
- Aircraft serial
- 53675
- Aircraft time
- 7,153 hours
- Engine
- Allsn 250C47B
- Engine time
- 2,882 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWC110545
- Condition
- Spalled
- Location
- Turbine
- Part time
- 547 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.