As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A**DIVERSION** LANDED W/O INCIDENT **JUST AFTER REACHING CRUISE ALT L ENG OVHT EICAS MSG WITH MASTER CAUTION AND ASOC LIGHT ON CTR CONSOLE ILLUMINATED. LIGHTS WENT OUT PRIOR TO ARH PROC-ARH PROC RUNMPERFORM VISUAL INSPECTION OF DETECTION AND LOOP NO PROBLEM. FOUND C/W FIM 28-11-00-815-802 R&R FIRE/OVHT TEST MODULE FAIL/RESET BUTTON STUCK PER AMM 26-11-01-401 26-11-02-02-05