What was found
IAH - FLT NR 2797 - AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT, FOUND CONTROL CIRCUIT BREAKER OUT. CREW COULD NOT RESET CIRCUIT BREAKER, A/C RETURNED TO IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED LANDING GEAR CONTROL LEVER, PROBLEM WAS NOT FIXED, DESCREPANCY WAS DEFFERED PER COEX MEL MANUAL. ON 3-17-96 MAINTENANCE TROUBLE SHOT LANDING GEAR CONTROL SYSTEM AND FOUND A WIRE TO BE CHAFED ADJACENT TO LANDING GEAR CONTROL VALVE. WIRE HARNESS WAS REPAIRED AND OPERATIONAL TESTS WERE PERFORMED, AIRCRAFT WAS RELEASED FOR A TEST FLIGHT AS A PRECAUTIONARY MEASURE, ALL CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)