What was found
COMPRESSOR COUPLING ADAPTER (P/N 23039797AL S/N CI17-406) HAS SEVERE FRETTING ON OD OF ADAPTER. SEVERAL OEM ADAPTERS HAVE FAILED AT THIS FRETTING AREA.
- Difficulty date
- August 25, 2003
- Submitted
- September 16, 2003
- Operation
- General aviation
- Engine
- Allsn 250C20
- Engine time
- 22,999 hours
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Coupling
- Part number
- 23039797AL
- Part serial
- CI17406
- Condition
- Fretted
- Location
- Compressor
- Part time
- 1,063 hours, 709 cycles
- Component
- Compressor · Allsn · A250C20
- Component part number
- 6890550
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.