Service difficulty report · Piston Ring

Difficulty date
December 6, 2006
Submitted
January 19, 2007
Operation
General aviation
Engine
Cont O470*
Part
Piston Ring
Part number
AEC648009PL
Condition
Separated
Location
Engine
Part time
45 hours
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) MATERIAL FROM THE FACE OF THE TOP COMPRESSION RING HAD FLAKED AWAY ON CYLINDER NR 2 (TC NR 20070109007).