What was found
METAL IS SPREAD AT THE CONTACT POINT OF THE GEAR TEETH. IT APPEARS LIKE THE METAL IS SOFT. THE CONDITION OF THIS GEAR CAUSED A HIGH VIBRATION IN THE ENGINE ASSY.
- Difficulty date
- July 26, 2010
- Submitted
- August 6, 2010
- Operation
- General aviation
- Engine
- Allsn 250C20B
- System (JASC)
- 7260 · Turbine Engine Accessory Drive
- Part
- Pinion Gear
- Part number
- 6889700
- Part serial
- UG43432
- Condition
- Damaged
- Location
- Engine
- Part time
- 605 hours
- 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.