What was found
DURING OTHER UNSCHEDULED MAINTENANCE AND INSPECTION OF ENGINE HYDRAULIC LIFTER ON THE RIGHT ENGINE, THE NR 4 CYLINDER WAS FOUND PITTED. MAINTENANCE REPLACED THE LIFTER IAW MM 72-40-09
- Difficulty date
- July 2, 2016
- Submitted
- July 12, 2016
- Operation
- Air carrier
- Aircraft
- N247GS
- Make and model
- Cessna 402C
- Aircraft serial
- C4020637
- Aircraft time
- 27,123 hours, 30,435 cycles
- Engine
- Cont TSIO520VB
- Engine time
- 1,642 hours, 1,801 cycles
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Lifter
- Part number
- 658077
- Condition
- Corroded
- Location
- Nr 4 Cylinder
- Part time
- 1,642 hours, 1,801 cycles
- 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.