As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE PROTECTION SYSTEM FAIL LGT ILLUM EICAS MSG: FIRE/OVHT SYS DISPLAYED. EICAS STATUS MSG R TURB OH DET 1 AND 2 DISPLAYED. T/S ENG NR 2 OVERHEAT DETECTION SYSTEM IAW FIM. CHECK WIRING FROM FIRE DET CARD FILE TO OVERHEAT DETECTOR NR 1 AND NR 2. VISUALLY INSP WIRING, NO DEFECT FOUND. REMOVED AND REPLACED ENG OVHT DETECTOR SWITCH IAW WDM. (K)