As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW OF FLT NR 1077.3 GRB-MKE - LANDED IN MKE AND DURING TAXI TO THE GATE THEY NOTICED THE LEFT FIRE WARNING T-HANDLE ANNUNCIATOR LIGHTS FLICKERED AND THEN STAYED 'ON'. THE CREW STOPPED THE AIRCRAFT, PROCEEDED TO BLOW THE FIRE BOTTLE AND DEBOARDED THE AIRCRAFT VIA THE AIRSTAIR DOOR AS A PRECAUTION. MAINTENANCE REPLACED THE LEFT ENGINE AFT FIRE LOOP TO FIX THE PROBLEM. (M)