As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAPS FAIL CAUTION WHEN SELECTING FLAPS 20 ON ARRIVAL. FLAPS FAILED AT 5 DEGREES AIRSPEED WAS 200 KIAS TEMP WAS -20 DEGREES C, AND ALT 3000FT APPROX 1:45 MIN INTO FLT WHEN FAILURE OCCURRED. AS PER MOC CYCLED C/B CRJ AMM MESSAGE MESSAGE CLEARED AND CHECKED SERVICEABLE.