What was found
(CAN) PLASMA COATING HAS DETACHED FROM THE HEAD OF THE PISTONS AS FOLLOWS: PISTON SN AP4-0203, 75 PERCENT OF THE UPPER RING. PISTON SN AP4-0202, 25 PERCENT OF BOTH RINGS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) PLASMA COATING HAS DETACHED FROM THE HEAD OF THE PISTONS AS FOLLOWS: PISTON SN AP4-0203, 75 PERCENT OF THE UPPER RING. PISTON SN AP4-0202, 25 PERCENT OF BOTH RINGS.