As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LFT FIRE DET FAIL CAUTION ILLUM IN FLT. INSPECTED SENSOR LOOP ON LT ENGINE REF AMM 26-11-00-06 FOUND SMALL PIECE OF SAFETY WIRE ON LOOP. REMOVED PIECE OF SAFETY WIRE CLEANED AROUND LOOP CONNECTIONS AND CLEANED FIRE CONTROL REF 26-11-10. PERFORMED OPS CHECK REF 26-11-00-05, OPS CHECK GOOD.