What was found
DURING MAINTENANCE THE MECHANICS DETERMINED THE FIRST STAGE TURBINE BLADES WERE RUBBING ON THE NOZZLE.ASSEMBLY REMOVED FROM ENGINE
- Difficulty date
- May 13, 2021
- Submitted
- May 13, 2021
- Operation
- General aviation
- Aircraft
- N454JH
- Make and model
- Hughes 369E
- Aircraft serial
- 0454E
- Aircraft time
- 17,921 hours, 22,030 cycles
- Engine
- Allsn 250C20B
- Engine time
- 24,983 hours, 7,761 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine Wheel
- Part number
- M25010223
- Part serial
- X6277340
- Condition
- Binding
- Location
- Engine
- Part time
- 1,198 hours, 1,271 cycles
- Stage of operation
- IN
- How discovered
- B
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.