What was found
IDLER GEAR [PN: 896804-2] TEETH GALLED DUE TO BEARINGS (2EA) [PN: 3103035-1, SN: 10-151725-07307 & 10-151725-07323, TSN: 5,558.3] WORN AND SPALLING. RESULTED IN UNCOMMANDED SHUTDOWN OF ENGINE DUE TO FUEL PRESSURE LOSS.
- Difficulty date
- October 7, 2025
- Submitted
- October 7, 2025
- Operation
- General aviation
- Aircraft
- N320MC
- Make and model
- Swrngn SA227AC
- Aircraft serial
- AC688
- Engine
- Garrtt TPE33111U
- Engine time
- 43,335 hours, 44,472 cycles
- System (JASC)
- 8300 · Accessory Gearboxes
- Part
- Bearing
- Part number
- 31030351
- Part serial
- 1015172507307
- Condition
- Spalled
- Location
- Idler Gear
- Part time
- 5,558 hours
- Component
- Idler Gear
- Component part number
- 8968042
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- Z
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.