As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW REPORTED AN ELECTRICAL BURNING ODOR IN THE CABIN ON APPROACH WITH GEAR SELECTED DOWN.DURING GROUND TEST , THE PROBLEM WAS TRACED TO THE RT AIR CONDITIONING PACK .THE HEAT EXCHANGER HAD BEEN REPLACED ON THE PREVIOUS FLIGHT AND WAS FRESHLY O/H AND PAINTED. THE COELESER BAG WAS REPLACED AND THE AIR CONDITIONING PACK WAS OPERATED AND CHECKED SERVICEABLE.