What was found
IAH - FLIGHT 2392, THE CREW REPORTED A SPOILER FAIL WITH A SPOILER OPEN INDICATION WITH THE SPOILERS CLOSED. THE CREW PERFORMED AN EMERGENCY DESCENT, AND LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPAIRED A BROKEN WIRE ON THE LEFT HAND INBOARD SPOILER PROXIMITY SWITCH, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.