As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LYC WORK ORDER NR LB 1027207 FACTORY ZERO TIME ASSEMBLED 11-10-92 INSTALLED 12-28-92 IAW PEN YAN STC. 18 HOURS SINCE LAST ANNUAL. FOUND NR 1 CYLINDER TOP RIGHT .50 INCH THROUGH STUD BROKEN FLUSH WITH CASE. ALL OTHER STUDS ON NR 1 OK. RESEARCH SEEMS TO INDICATE A FATIGUE FAILURE. (X)