What was found
AT INSPECTION ALL CYLINDERSS, HAD LOW DIFFERENTIAL PRESSURE CHECK, FOUND GLAZING ON CYLINDERSS AND ALL EXHAUST VALVE GUIDES WERE WORN OUT. REPLACED.
- Difficulty date
- April 3, 2017
- Submitted
- April 4, 2017
- Operation
- General aviation
- Aircraft
- N421HP
- Make and model
- Cessna 421C
- Aircraft serial
- 0831
- Aircraft time
- 10,478 hours
- Engine
- Cont GTSIO520M
- Engine time
- 4,205 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 658603A6
- Condition
- Damaged
- Location
- Rt Engine
- Part time
- 204 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.