What was found
AFTER LANDING WHILE TAXIING WE HEARD A LOUD GRINDING SOUND AND THE AIRCRAFT COCKPIT/CABIN TEMPERATURE BEGAN TO CLIMB. ALSO HAD A VERY STRONG BURNING SMELL. RECEIVED A "PACK TEMP HIGH" AMBER CAS MSG. REMOVED ACM AND INSTALLED AMM 2142-11 REF. ITEM 4.1 THE SEP T/8 RECOMMENDATIONS, ABLE TO FROM THE DUCTS FOLLOWED BY A "PACK TEMP HIGH" A GRINDING NOISE FROM ACM. LET IT COOL CONFIRMED THAT HAS SEIZED. WE ALSO PERFORMED DUCTS. ELECIRICAL CONNECTORS AND NO DEFECTS ALONG WITH NEW PACIUNGS AND SEALS. IAW BOMBARDIER CL-350 AMM 2142-11 REF. ITEM 4.1 FOR OPS & LEAK CHECKS.