As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE CARD ENG L LEFT ENGINE FIRE-OVERHEAT DETECTION CARD FAULT OR FAILURE, OR AIMS LOSS OF ARINC 629-429 COMMUNICATION WITH CARD. STATUS MSG01- ACTIVE ENGINE START HARD; ENGINE FIRE DETECTION CARD (LEFT) HAS NO OUTPUT ON EFDC ARINC 429 BUS. DB- ARINC SIGNAL GATEWAY (LEFT), LSCF MSG-2618891 ACTIVE ES HARD. REPLACED CARD P85A10. OPS TEST NORMAL. REPLACED CARD P85A12, OPS GOOD.