What was found
ENGINE REMOVED FOR TURBINE O/H AND 2000 HR INSP. NR 5 BEARING EXHIBITED SPALLING IN OUTER RACE SPLIT. INSTALLED NEW BEARING.
- Difficulty date
- March 26, 2011
- Submitted
- March 31, 2011
- Operation
- Air carrier
- Aircraft
- N427PH
- Make and model
- Bell 407
- Aircraft serial
- 53378
- Aircraft time
- 2,646 hours
- Engine
- Allsn 250C47B
- Engine time
- 4,887 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- 6871505
- Part serial
- MP087497
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 3,971 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.