What was found
UPON REMOVAL FROM ENGINES, IT WAS DISCOVERED THAT BOTH CAM GEARS SHOWED EXCESSIVE WEAR ON 2-3 TEETH. THE CAUSE FOR THIS WEAR CANNOT BE DETERMINED. A SUGGESTION FOR PREVENTION WOULD NOT BE POSSIBLE.
- Difficulty date
- February 14, 2013
- Submitted
- March 8, 2013
- Operation
- General aviation
- Aircraft
- N558TH
- Make and model
- Beech 58
- Aircraft serial
- TH2000
- Engine
- Cont IO550C
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Gear
- Part number
- 656031
- Condition
- Worn
- Location
- Camshaft
- Part time
- 2,158 hours
- 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.