As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L ENG FIRE LP 1 STATUS MSG INTERMITTENT IN FLIGHT. ISSUED DMI #133495 PER MEL CH. 26-11-01-01, CAT "C", PER MOCC: AM. REMOVED AND REPLACED LOGIC TEST FIRE/OVERHEAT CARD 1 AT P54 PANEL OPS CHECK GOOD NO FAULTS NOTED AT THIS TIME IAW AMM 26-11-01.