What was found
ACFT HAD A MAJOR OIL LEAK EMENATING FROM THE ROCKER BOX COVER GASKETS. ON INSPECTION, FOUND 5 OUT OF 6 GASKETS HAD FAILED CAUSING LEAKAGE. GASKETS SHRANK BETWEEN THE BOLTS LEAVING A GAP FOR OIL TO COME OUT.
- Difficulty date
- October 5, 2012
- Submitted
- October 5, 2012
- Operation
- General aviation
- Aircraft
- N584W
- Make and model
- Beech 58
- Aircraft serial
- TH1699
- Aircraft time
- 2,550 hours
- Engine
- Cont IO550C
- Engine time
- 2,550 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Gasket
- Part number
- 655528
- Condition
- Failed
- Location
- Zone 400
- Part time
- 171 hours
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- K
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.