What was found
AIRCRAFT WAS CONSUMING A LARGE QUANTITY OF OIL. UPON INSPECTION FOUND THE NR 3 CYLINDER OIL CONTROL RING LAND ELONGATED DUE TO A SMALL PIECE OF RING WHICH HAD BROKEN OFF AND BEGAN TO FLUTTER. PROBABLE CAUSE OF SHOCK COOLING.
- Difficulty date
- May 15, 2001
- Submitted
- June 6, 2001
- Operation
- General aviation
- Aircraft
- N9746B
- Make and model
- Cessna 172RG
- Aircraft serial
- 172RG1009
- Engine
- Lyc O360*
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Piston Ring
- Part number
- AL75089
- Condition
- Broken
- Location
- Nr 3 Cylinder
- Part time
- 1,110 hours
- 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.