What was found
(CAN) ON FINAL INTO CALGARY, WITH FLAPS AT POSITION 2, AFTER SELECTION ON LANDING GEAR DOWN, HAD ELECTRONIC CENTRALIZED AIRCRAFT MONITORING MESSAGE, FLIGHT CONTROL PRIMARY 1 AND 2 AND 3 FAULT. FLIGHT CONTROL INTO DIRECT LAW, RESET ATTEMPT ON PRIMARY 1 IN THE AIR, NON AVAILABLE, PRIMARY NR 2 AND 3 DID RESET ON GROUND. AIRCRAFT LANDED WITH FLAPS AT 3 AND NO ENGINE REVERSER ON NR 2 AND 3 ENGINES.FLIGHT CONTROL PRIMARY 1 PITCH FAULT. ON OPERATION TEST ON FLIGHT CONTROL COMPUTERS PRIMARY 2 FAILED. COMMAND LOST TO INBOARD AILERON. RE-RACKING FLIGHT CONTROL COMPUTER 1, ALL RETURNED TO NORMAL. CHANGED NR 1 FLIGHT CONTROL COMP