As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT 2815: ON SHORT LANDING APPROACH, WHEN FLAPS SELECTED FROM 10 TO 15 DEG, FLAPS REMAINED AT 10 DEG AND FLAP POWER CAUTION LIGHT ILLUMINATED. ELECTED TO LAND WITH FLAPS AT 10 DEG AND RAN ASSOCIATED E/A CHECKLIST WHEN STOPPED ON TAXIWAY. PERFORMED FLAP CONT C/B RESET IAW CHECKLIST. FLAP POWER CAUTION LIGHT EXTINGUISHED AND RETRACTED FLAPS TO ZERO NORMALLY AND PARKED. MAINTENANCE DETERMINED THIS TO BE NUISANCE CAUTION LIGHT PER BOMBARDIER SERVICE LETTER DHC8-400-SL-27-002A.