As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FIRE FAIL CAUTION MESSAGE CAME ON AND OFF TWICE INFLIGHT. PERFORMED QRH. (FLIGHT #5336 FILED CLOSED) T/S L/H FIRE FAIL CAUTION MSG, FOUND ENGINE NACELLE AND FIREWALL SENSING ELEMENT A END CONNECTOR DAMAGED. REMOVED AND REPLACED WIRING END CONNECTOR AS REQUIRED. OPS CHECK GOOD. / PER CRJ-200 FIM 26-10-00, AMM 26-11-01 AND ESPM 20-17-00