What was found
(CAN) WE DISCOVERED CRACKS DEVELOPING AROUND WELDS ON THE ATTACHING POINTS OF THE OIL COOLER. INSTALLATION PROCEDURE INCLUDING TORQUE, AND ALL THE ATTACHING HARDWARE, WERE CORRECTLY FOLLOWED.
- Difficulty date
- February 9, 2003
- Submitted
- April 14, 2003
- Operation
- General aviation
- Make and model
- Cessna 402B
- Aircraft time
- 9,513 hours
- Engine
- Cont TSIO520E
- Propeller
- Mcauly 3AF32C87
- System (JASC)
- 7921 · Engine Oil Cooler
- Part
- Oil Cooler
- Part number
- 636900
- Part serial
- 53001
- Condition
- Cracked
- Location
- Engine Oil
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.