What was found
FLIGHT 2658, IAH TO PIT, AIRCRAFT DIVERTED INTO TYS FOR A FUEL IMBALANCE. WING TANK NR 1 FUEL QTY INDICATION WAS MEL'ED IN IAH PRIOR TO FLIGHT DEPARTURE, UPON LANDING IN TYS, MAINTENANCE CHECKED THE FUEL QTY. WITH UNDER WING STICKS AND FOUND THE SPLIT TO BE WITHIN TOLERANCE. THE FLIGHT CONTINUED ON, LATER THAT NIGHT MECHANICS CLEARED THE MEL IN EWR BY CLEANING THE NR 1 DAU CONNECTOR. THE AIRCRAFT WAS RELEASED TO SERVICE.