What was found
ENGINE REMOVED, DUE TO LOW FREQUENCY SOUND IN FLIGHT, IMPELLER TIME. NR 5 BEARING HAS SPALLING AT SPLIT OF OUTER RACE. REPLACED WITH SERVICEABLE PART.
- Difficulty date
- December 6, 2011
- Submitted
- January 10, 2012
- Operation
- Air carrier
- Aircraft
- N219PH
- Make and model
- Bell 206L3
- Aircraft serial
- 51509
- Aircraft time
- 11,225 hours
- Engine
- Allsn 250C30P
- Engine time
- 18,180 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- 6871505
- Part serial
- MP086699
- Condition
- Spalled
- Location
- Turbine
- Part time
- 1,914 hours
- Component
- Turbine
- Component part number
- 23035128
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.