As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4278 UPON LANDING CREW REPORTED, AN ENGINE 1 FIRE INDICATION. NO EMERGENCY DECLARED AND FIRE BOTTLE WAS NOT DISCHARGED. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED NUMBER 1 ENGINE FIRE DETECTION LOOP IAW EMB 140 AMM 26-11-01. FIRE DETECTION OPERATIONAL CHECK PERFORMED AND SYSTEM FUNCTIONS NORMALLY. AIRCRAFT RETURNED TO SERVICE. (A)