What was found
(CAN) THE OPERATOR REPORTED THAT THE AIRCRAFT LANDED WITH THE LANDING GEAR UNSAFE INDICATION. THE EICAS MESSAGES WERE L-R MAIN GEAR DOOR (AMBER), NOSE DOOR (AMBER), GEAR DISAGREE (AMBER), BRAKE FAULT (CYAN). THE AIRCRAFT LANDED WITH ALL 3 LANDING GEARS IN THE DOWN AND LOCKED POSITION. BOMBARDIER CUSTOMER SUPPORT ASSISTED THE OPERATOR AND ISOLATED THE FAULT TO BE A FAULTY INDICATION FROM THE DONWLOCK SENSOR WITHIN THE SIDE BRACE ACTUATOR.