What was found
ENGINE BEGAN TO VIBRATE IN CRUISE AND SUBSEQUENTLY LOST OIL PRESSURE. SECURED ENGINE AND LANDED AIRCRAFT. ENGINE REPLACED DUE TO CASE DAMAGE FROM BROKEN CYLINDER HOLD DOWN STUDS.
- Difficulty date
- July 31, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7811
- Make and model
- Grumav G21A
- Aircraft serial
- B122
- Engine
- Pwa R985*
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Cylinder
- Condition
- Broken
- Location
- Engine
- Stage of operation
- CR
- Nature of condition
- E, K
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.