What was found
(CAN) CRANKSHAFT CRACKED - PIECE FROM COUNTERWEIGHT BROKEN - MISALIGNMENT CAUSED CAMSHAFT TO SHEAR 2 VALVE FACES DAMAGED.
- Difficulty date
- July 4, 2002
- Submitted
- August 7, 2002
- Operation
- General aviation
- Make and model
- Piper PA31350
- Aircraft time
- 12,381 hours
- Engine
- Lyc TIO540J2BD
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankshaft
- Part number
- 11F20022D3
- Condition
- Cracked
- Location
- Engine
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.