What was found
ENGINE WAS REMOVED 10-24-14 DUE TO METAL IN OIL. NR 5 BEARING EXHIBITED HEAVY SPALLING ON BALLS. PART WILL BE RETURNED TO MFG FOR FURTHER EVALUATION.
- Difficulty date
- October 29, 2014
- Submitted
- October 30, 2014
- Operation
- General aviation
- Aircraft
- N404PH
- Make and model
- Bell 407
- Aircraft serial
- 53188
- Aircraft time
- 16,818 hours
- Engine
- Allsn 250C47B
- Engine time
- 8,052 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010106
- Part serial
- NWL120853
- Condition
- Spalled
- Location
- Engine
- Part time
- 1,007 hours
- 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.