What was found
FLIGHT 2010, DURING TAXI THE CREW REPORTED A STRANGE ODOR COMING FROM A/C PACK ONE, AND THAT IT WOULD NOT COOL OFF WHEN ACTIVATED. THE ACFT RETURNED TO THE GATE WHERE MAINTENANCE INSPECTED THE ACFT AND PLACED THE ACFT ON MEL. THE ACFT WAS APPROVED FOR RETURN TO SERVICE. ACFT WAS INSPECT IN IAH, OPERATIONALLY TESTED WITH NO DEFECTS, THE MEL CLEARED, AND THE AIRCRAFT APPROVED FOR RETURN TO SERVICE.