What was found
DURING CRUISE FLIGHT WITH FLAPS SELECTED TO ZERO DEGREES THE FLAPS FAIL CAUTION MESSAGE ILLLUMINATED. THE CREW OF FLIGHT 2292 (YOW TO PHL) DIVERTED THE FLIGHT TO YUL AND MADE AN UNEVENTFUL LANDING. THE AIRCRAFT WAS FERRIED TO DAY WHERE PSA MAINTENANCE REMOVED AND REPLACED THE LT FLAP BRAKE AND POSITION SENSOR UNIT IAW CRJ 200 AMM 27-51-10-000-801 AND 27-51-10-400-801. RIGGING/OPERATIONAL CHECKS WERE GOOD IAW CRJ200 AMM 27-51-10-830-801 AND 27-54-00-710-801. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.