What was found
THE CREW REPORTED THAT PACK 2 OVERLOADED MULTIPLE TIMES IN FLIGHT, THE PACK WAS DESELECTED IAW THE QRH AND THE COCKPIT AND CABIN FILLED WITH SMOKE AFTER 2 MINUTES. THE ACFT DIVERTED, WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ACFT AND PLACED THE LT PACK ON MEL21-51-00-2 AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE. THE ACFT LANDED, WHERE MAINTENANCE R & R THE NR 1 ACM, OPERATIONALLY TESTED WITH NO DEFECTS NOTED, REMOVED THE MEL, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.