- Difficulty date
- August 3, 2009
- Submitted
- August 3, 2009
- Operation
- General aviation
- Engine
- Allsn 250C20B
- Engine time
- 676 hours, 507 cycles
- Part
- Drive Gear
- Part number
- 6889700
- Condition
- Worn
- Location
- Gearbox
- Part time
- 676 hours, 507 cycles
- Component
- Gearbox · Allsn
- Component part number
- 6894171
- 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.
What was found
METAL IN OIL. MATERIAL LOSS ON GEAR TEETH, WORN THROUGH NITRIDE COATING.