What was found
ENGINE REMOVED DUE TO METAL IN OIL. CAUSE FOUND TO BE GALLING ON PINION GER TEETH. REMOVED AND REPLACED PINION GEAR.
- Difficulty date
- July 1, 2003
- Submitted
- July 14, 2003
- Operation
- Air carrier
- Aircraft
- N547AL
- Make and model
- Bell 407
- Aircraft serial
- 53240
- Aircraft time
- 6,362 hours
- Engine
- Allsn 250C47B
- Engine time
- 7,761 hours
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Pinion Gear
- Part number
- E6893672
- Part serial
- SG12052
- Condition
- Galled
- Location
- Gearbox
- Part time
- 263 hours
- Component
- Gearbox
- Component part number
- 23063393
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.