What was found
(CAN) REPORT OF PROBLEMS WITH CRANKSHAFT BALANCING R & O SHOP LED OWNER TO GROUND HIS AIRCRAFT AND REMOVE THE CRANKSHAFT FOR MPI INSPECTION. CRACKS WERE FOUND AROUND CRANKPIN RADIUS. THE CRANKSHAFT WAS REPLACED.
- Difficulty date
- September 22, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Engine
- Lyc IO360A1A
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankshaft
- Part number
- 74709
- Condition
- Cracked
- Location
- Engine
- Stage of operation
- NR
- Nature of condition
- W
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.