As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAD SEPERATED FROM NR 2 CYLINDER AFTER 4.9 HRS AIRTIME. CYLINDER HEAD SEPARATION OCCURRED DURING CRUISE FLIGHT. UNEVENTFUL LANDING CARRIED OUT. REPLACEMENT CYLINDER HEAD INSTALLED AND AIRCRAFT COMPLETED ITS MISSION. (TC NR 20080328002)