What was found
NR 5 CYLINDER UPPER BASE STUDS FAILED - THREE BLIND STUDS & 1 CASE THROUGH-STUD. CYLINDER PARTIALLY DISLODGED FROM CRANKCASE, LOSS OF ENGINE OIL, SIGNIFICANT VIBRATION, PRECAUTIONARY IN-FLIGHT SHUTDOWN AND FEATHER.
- Difficulty date
- November 21, 2012
- Submitted
- December 10, 2012
- Operation
- General aviation
- Aircraft
- N2668A
- Make and model
- Cessna 421C
- Aircraft serial
- 421C1216
- Aircraft time
- 6,251 hours
- Engine
- Cont GTSIO520N
- Engine time
- 2,876 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Condition
- Detached
- Location
- Nr 5
- Part time
- 1,129 hours
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- D, R
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.