What was found
IAH- DURING FLIGHT 3889, THE CREW NOTED THAT THE LANDING GEAR SYSTEM #2(OVERHEAD) RIGHT MAIN INDICATES DOWN IN FLIGHT. IAH- MAINTENANCE REMOVED AND REPLACEDTHE PSEU, PERFORMED A OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM,VERIFIEDNORMAL GEAR INDICATION, NO DEFECTS NOTED, AND, THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.