What was found
(CAN)AFTER SELECTING LEFT AIR CONDITIONING SUPPLY SWITCH TO "HIGH BLEED OFF" ON GROUND WITH A.P.U. RUNNING, STRONG HEAT ODOUR DETECTED IN CABIN. MAINTENANCE CHANGED LEFT COALESCER BAG.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)AFTER SELECTING LEFT AIR CONDITIONING SUPPLY SWITCH TO "HIGH BLEED OFF" ON GROUND WITH A.P.U. RUNNING, STRONG HEAT ODOUR DETECTED IN CABIN. MAINTENANCE CHANGED LEFT COALESCER BAG.