As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1050 - MKE - ON APPROACH, CREW NOTICED THE LT FIRE PULL 'T' HANDLE ILLUMINATED IN FLIGHT, THEY PROCEEDED TO SHUT DOWN THE ENGINE AND DISCHARGED THE FIRE EXTINGUISHER BOTTLE. AN EMERGENCY WAS DECLARED, THEY LANDED AND DISEMBARKED PAX OFF WING. MAINTENANCE REPLACED BOTH FWD AND AFT FIRE LOOPS FOR PRECAUTION (AFT LOOP P/N NR 244-12886) OPERATIONAL CHECKED GOOD ON GROUND. (M)