What was found
ENGINE REMOVED 11-5-17 FOR TURBINE OVERHAUL. #5 BEARING EXHIBITS BANDING ON BALL. REPLACED #5 BEARING.
- Difficulty date
- December 5, 2017
- Submitted
- December 5, 2017
- Operation
- Air carrier
- Aircraft
- N420PH
- Make and model
- Bell 407
- Aircraft serial
- 53747
- Aircraft time
- 10,886 hours
- Engine
- Allsn 250C47B
- Engine time
- 1,773 hours
- System (JASC)
- 7250 · Turbine Section
- Part
- Bearing
- Part number
- M25010795
- Part serial
- NWF160942
- Condition
- Damaged
- Location
- Turbine Section
- 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.