What was found
FLT 325 - EN ROUTE TO DAY, NR 1 ENGINE FIRE WARNING LIGHT AND BELL CAME ON INFLIGHT. NO OTHER ABNORMAL ENGINE INDICATIONS. COMPLIED WITH RYAN INTERNATIONAL AIRLINES ENGINE FIRE EMERGENCY CHECKLIST AND SHUT NR 1 ENGINE DOWN AND DECLARED AN EMERGENCY LANDING INTO AGS. AIRCRAFT LANDED, AGS SAFELY AND WITHOUT INCIDENT. INSPECTED NR 1 ENGINE AND ALL BLEED AIR DUCTING ON ENGINE AND STUB WING. FOUND ENGINE FIREWALL LOOP BAD. REMOVED AND REPLACED NR 1 ENGINE FIRE LOOP. FIRE AND FIRE DETECTION SYSTEM TEST GOOD. (M)