What was found
(CAN) AN OIL LEAK WAS NOTED ON THE LT ENGINE. A CRACK WAS FOUND IN THE RT CRANKCASE HALF. THE CRACK WAS LOCATED AFT OF THE ALTERNATOR, FWD OF THE NR 5 CYL, 7TH STUD. THE ENGINE WAS REMOVED FOR REPAIR.
- Difficulty date
- May 20, 2009
- Submitted
- June 16, 2009
- Operation
- General aviation
- Make and model
- Cessna 401B
- Aircraft time
- 14,048 hours
- Engine
- Cont TSIO520EB
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Crankcase
- Part number
- 643202
- Condition
- Cracked
- Location
- Engine
- Part time
- 998 hours
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.