What was found
IAH - FLIGHT 2352 - CREW REPORTED, AFTER TAKEOFF THE LANDING GEAR DID NOT INITIALLY RETRACT, AND HAD THE ASSOCIATED DISAGREE MESSAGE ON EICAS. THE ACFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE TRAILING ARM PROXIMITY SENSOR. OPERATIONALLY TESTED WITH NO DEFECTS, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE. (S)