What was found
ENGINE REMOVED DUE TO METAL IN OIL. NR5 BRG OUTER RACE AND BALLS ARE SPALLED, SEPERATOR IS WORN AND CRACKED. INSTALLED REPLACEMENT PARTS.
- Difficulty date
- December 7, 2010
- Submitted
- December 14, 2010
- Operation
- Air carrier
- Aircraft
- N406PH
- Make and model
- Bell 407
- Aircraft serial
- 53198
- Aircraft time
- 12,705 hours
- Engine
- Allsn 250C47B
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- 6871505
- Part serial
- MP088161
- Condition
- Spalled
- Location
- Nr 5
- Part time
- 1,228 hours
- Component
- Turbine
- Component part number
- 23053299
- 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.