As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CREW REPORTED STRONG BURNING SMELL IN FLIGHT DECK AND CABIN ON FINAL APPROACH FLIGHT ATTENDANT REPORTED LIGHT HAZE OR SMOKE IN THE CABIN. MAINTENANCE FOUND RIGHT FLOW CONTROL VALVE INOP. ACS CONTROLLER NOT ABLE TO CONTROL FLOW CONTROL VALVE. MAINTENANCE REMOVED AND REPLACED THE FLOW CONTROL VALVE ON R/H PACK I/A/W CRJ 900 AMM 21-53-14 AND PREFORMED OPERATIONAL CHECK OF R/H PACK. OPS CHECKED GOOD.