What was found
NR 3 MAIN BEARING APPEARED TO DELAMINATE. ALL THE BRASS OR BRONZE SEPARATED FORM THE BEARING SHELL. THE CRANKSHAFT, NR 3 JOURNAL DOES NOT SHOW SIGNS OF OIL STARVATION. (K)
- Difficulty date
- November 12, 2004
- Submitted
- May 12, 2005
- Operation
- General aviation
- Aircraft
- N10FF
- Make and model
- Cessna 421C
- Aircraft serial
- 421C0082
- Engine
- Cont GTSIO520*
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Main Bearing
- Part number
- 634503
- Condition
- Delaminated
- Location
- Engine
- 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.