What was found
CREW REPORTED ODOR AND HAZE IN CABIN ON APPROACH INTO DEN. AN EMERGENCY WASN'T DECLARED, AND THE AIRCRAFT LANDED WITHOUT INCIDENT INTO DEN. MAINTENANCE TROUBLESHOT TO PACK 2 AT FAULT, AND PLACED ON MEL 21-51-00-1. MAINTENANCE REMOVED AND REPLACED THE RT ACM PER EMB AMM, OPS CHECK GOOD AND CLEARED MEL 21-51-00-1.