As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING OUT OF DCA THE FLAPS FAIL CAUTION MESSAGE ILLUMINATED. THE CREW FOLLOWED THE QRH AND LANDED WITHOUT INCIDENT AT IAD. MAINTENANCE RESET THE SKEW DETECTION UNIT, PERFORMED A BITE CHECK, AND OPERATIONALLY CHECKED THE FLAP CONTROL LEVER IAW CRJ200 AMM 27-51-01-740-801 AND 27-51-15-710-802. ALL OPERATIONAL CHECKS WERE GOOD. THE AIRCRAFT WAS THEN RELEASED FOR SERVICE.