What was found
PILOT REPORTED RIGHT ENGINE RUNNING ROUGH. UPON INSPECTION FOUND THE RIGHT ENGINE NR 3 CYLINDER TO HAVE LOW COMPRESSION AND THE CYLINDER EXHAUST VALVE TO HAVE EVIDENCE OF A BURNING. THE CYLINDER WAS REPLACED.
- Difficulty date
- December 22, 2017
- Submitted
- December 26, 2017
- Operation
- Air carrier
- Aircraft
- N4652N
- Make and model
- Cessna 402C
- Aircraft serial
- 402C0011
- Aircraft time
- 27,211 hours
- Engine
- Cont TSIO520VB
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 658552A1
- Part serial
- AC14KA117
- Condition
- Failed
- Location
- Nr 3
- Part time
- 2,253 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.