As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:NA**SUPPLEMENTAL SDR** DURING CLIMBOUT L ENG FIRE LP 1 STATUS MESSAGE DISPLAYED. DURING LEVEL FIGHT MESSAGE DISAPPEARED.T/S PER FIM 26-11-00-815-804 FIG 104 SHT 9. FOUND ALL RESISTANCE CHECKS TO BE WITHIN LIMITS. R&R'D LEFT ENG. #1 LOOP FIRE/DETECTION LOOP CARD M681 IAW B767 MM 26-10-01-424-025. ALL OPS CK GOOD AT THIS TIME. THIS CLEARS 777439.