What was found
MCI - FLT 301 - AIR RETURN, EMERGENCY DECLARED, LANDING UNEVENTFUL. DURING CLIMB, NR 1 ENGINE FIRE LIGHT ILLUMINATED. PRECAUTIONARY ENGINE SHUT DOWN WAS ACCOMPLISHED PER CHECKLIST. REPLACED FIRE CONTROL MODULE, NO HELP, REINSTALLED ORIGINAL. REPLACED ADEL CLAMP INSULATORS ON NR 1 ENGINE LOWER FIRE LOOP. CLEANED FORWARD AND AFT CONNECTORS ON LOWER FIRE LOOP. RAN ENGINE. FIRE DETECTION SYSTEM OPERATES NORMAL. (M)