What was found
THE CUSTOMER NOTED A CONSTANT RATTLING NOISE DURING ENGINE SPOOL DOWN. FIELD BORESCOPE INSPECTION REVEALED A LIBERATED 3RD STAGE IP ROTOR BLADE. DISASSEMBLY OF THE ENGINE CONFIRMED A MISSING 3RD STAGE BLADE.
- Difficulty date
- October 4, 2018
- Submitted
- October 5, 2018
- Operation
- General aviation
- Aircraft
- N18MM
- Make and model
- Cessna 525C
- Aircraft serial
- 0160
- Engine
- Wilint FJ444A
- Engine time
- 1,185 hours, 805 cycles
- System (JASC)
- 7230 · Turbine Engine Compressor Section
- Part
- Rotor
- Part number
- 119345
- Part serial
- HW38029
- Condition
- Fractured
- Location
- Engine
- Part time
- 1,185 hours, 805 cycles
- Component
- Engine · Wilint · FJ444A
- Component part number
- 73200200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.