What was found
DE-ICE PRESSURE CAUTION LIGHT ILLUMINATED IN FLIGHT. COMPLIED WITH E/A CHECK LIST. THE NR 2 WING DE-ICE LIGHT DID NOT ILLUMINATE. RETURNED TO FIELD, AND LANDING UNEVENTFUL. REMOVED LEADING EDGE 513AL IAW AMM 57-23-01-000-801. FOUND HOSE TO THE LEADING EDGE INFLATING BOOT DISCONNECTED. REMOVED AND REPLACED THE HOSE. INSTALLED LEADING EDGE 513AL IAW AMM 57-23-01-400-801. OPS CHECKED GOOD IAW AMM 30-11-00-710-807. RETURNED TO SERVIVCE.