What was found
COUPLING REMOVED FOR INSPECTION IAW SB T-080. HAS SEVERE FRETTING IN AREA WHICH CONTACTS IMPELLER. THIS PART WAS INSTALLED NEW IN A NEW IMPELLER. FIT IS .0005 IN. TIGHT.
- Difficulty date
- September 5, 2003
- Submitted
- October 8, 2003
- Operation
- General aviation
- Engine
- Allsn 250C20B
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Coupling
- Part number
- E230397911
- Condition
- Fretted
- Location
- Compressor
- Part time
- 1,425 hours
- Component
- Compressor
- 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.