What was found
PILOT REPORTED ENGINE MANIFOLD PRESSURE ERRATIC DURING TAKE OFF ROLL. MAINTENANCE INSPECTED AND FOUND THE EXHAUST VALVE GUIDE ON THE NR 5 CYLINDER DAMAGED.
- Difficulty date
- February 7, 2017
- Submitted
- February 8, 2017
- Operation
- Air carrier
- Aircraft
- N300SN
- Make and model
- Cessna 402C
- Aircraft serial
- 402C0060
- Aircraft time
- 22,159 hours, 11,921 cycles
- Engine
- Cont TSIO520VB
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Valve Guide
- Part number
- 658552A2
- Part serial
- AC15LA592
- Condition
- Damaged
- Location
- Nr 5 Cylinder
- Part time
- 877 hours
- Component
- Cylinder · Cont
- Component part number
- 658552A2
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.