As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH TO LANDING CREW NOTICED BURNING SMELL IN COCKPIT. INVESTIGATION AFTER LANDING DETERMINED THAT THE AIR CONDITIONING SYSTEM WAS NOT WORKING. FURTHER INVESTIGATION REVEALED THE FORWARD EVAPORATOR FAN MOTOR FAILED. SYSTEM WAS DEFERRED IN ACCORDANCE WITH THE APPROVED MEL. NO FURTHER DEFECTS WERE NOTED.