What was found
PROPELLER OVERHAULED AND REINSTALLED. TEST FLIGHT REVEALED VIBRATION. DETERMINED TO BE SHEARED DOWEL PINS CAUSING LOOSE PROPELLER TO CRANK PROP DRIVE SHAFT. (K)
- Difficulty date
- November 10, 2004
- Submitted
- May 10, 2005
- Operation
- General aviation
- Aircraft
- N620ZE
- Make and model
- Cessna 421C
- Aircraft serial
- 421C0301
- Propeller
- Mcauly 3FF32C501
- System (JASC)
- 6114 · Propeller Hub Section
- Part
- Dowel Pin
- Condition
- Sheared
- Location
- Propeller Hub
- Part time
- 3,670 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.