What was found
IAH - THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL ON TAKEOFF AND A WEIGHT ON WHEEL FAILURE. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED RELAYS K0453 & K0352, OPERATIONALLY CHECKED WITH NO DEFECTS, THE AIRCRAFT WAS SATISFACTORILY TEST FLOWN, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. BOTH RELAYS ARE THE SAME PART NUMBER, NOT SERIALIZED, AND NO TIMES ARE AVAILABLE.