As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT LANDED AIRCRAFT AT LT AFTER EXPERIENCING A ROUGH RUNNING ENGINE. UPON FURTHER INVESTIGATION FOUND THE NR 4 CYLINDER HEAD SEPARATED FROM THE BARREL. FOUND ALL CYLINDERS TO BE ECI CYLINDERS HAVING ONLY 154.73 HOURS IN SERVICE, ALL CYLINDER REQUIRE REPLACEMENT IAW AD 2004-08-10 AND ECI SB 04-1. OWNER REPORTS THAT SINCE MAY 5, 2004 THE EFFECTIVE DATE OF THE AD, THE AIRCRAFT HAS ONLY FLOWN 21.7 HOURS OF THE 50 THAT THE AD GIVES YOU.