What was found
DURING OPERATION OF R/H PACK. PACK TRIP OFF LIGHT ILLUMINATES AND WILL NOT RESET. GROUNDED - YES. ACCOMP PZTC BITE CK R/H PACK TCV FAULTED. REF B737-FIM 21-62 TASK 801. RMVD/RPLCD R/H PACK TCV LK CK GOOD BUT R/H PACK DISCHARGE TEMP CLIMBS TO 90 DEG C AND PACK TRIPS OFF REF B737-900 AMM 21-51-10. TCV FAULT CLEARED BUT NOTICED NO AIR BEING DRAWN DOWN RAM AIR INLET AND ACM MAKING BAD SOUND. CONFIRMED ACM IS SEIZED, UNABLE TO TURN IMPELLER. RMVD/RPLCD ACM REF AMM 21-51-04-400-802-002. NO FAULTS NOTED.