What was found
ENGINE REMOVED DUE TO CYCLED #1 AND #2 TURBINE WHEELS. UPON INSPECTION OF TURBINE PARTS NOTED: STEP WEAR BEYOND SERVICABLE LIMITS ON N1 COUPLING FORWARD SPLINES. INSTALLED A NEW N1 COUPLING.
- Difficulty date
- April 22, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N8591X
- Make and model
- Bell 206L3
- Aircraft serial
- 51495
- Engine
- Allsn 250C30S
- System (JASC)
- 7250 · Turbine Section
- Part
- N1 Coupling
- Part number
- 23032345
- Condition
- Stepwear
- Location
- Turbine
- Part time
- 439 hours
- Component
- 23035128
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.