What was found
PILOT REPORTED ROUGH RUNNING ENGINE. MAINTENANCE INSPECTED AND FOUND RIGHT #5 CYLINDER NO COMPRESSION. REMOVED AND REPLACED ENGINE WITH NO FURTHER DEFECT NOTED, AS WAS SCHEDULED FOR REMOVAL WITHIN 87 HOURS.
- Difficulty date
- May 6, 2020
- Submitted
- May 21, 2020
- Operation
- Air carrier
- Aircraft
- N120PC
- Make and model
- Cessna 402C
- Aircraft serial
- C4020079
- Aircraft time
- 33,725 hours, 34,943 cycles
- Engine
- Cont TSIO520VB
- Engine time
- 2,612 hours, 5,143 cycles
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Part number
- 658175A2BP
- Part serial
- AC15AB648
- Condition
- Low Pressure
- Location
- Engine
- Part time
- 2,612 hours, 5,143 cycles
- Component
- Engine · Cont · TSIO520VB
- Component part number
- TSIO520VB
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.