What was found
PILOT REPORTED CHIRPING NOISE FROM ENGINE AT END OF DAY SHUTDOWN. MAINTENANCE REMOVED TURBINE ASSY FOR SUSPECT N2 RUBBING.
- Difficulty date
- May 19, 2015
- Submitted
- May 19, 2015
- Operation
- Air carrier
- Aircraft
- N808JH
- Make and model
- Hughes 369E
- Aircraft serial
- 0577E
- Aircraft time
- 10,065 hours
- Engine
- Allsn 250C20
- Engine time
- 9,302 hours, 4,700 cycles
- System (JASC)
- 7250 · Turbine Section
- Part
- Turbine
- Part number
- 23069745
- Part serial
- CAT34671
- Condition
- Out Of Tolerance
- Location
- Engine
- Part time
- 12,989 hours, 1,329 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.