As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DEPARTING, THE CREW OBSERVED A DIAGEEMENT BETWEEN IB AND OB FLAP POSITION. THE AIRCRAFT CONTINUED TO YFB BYPASSING YSR. MAINTENANCE IN YFB FOUND SIGNIFICANT CONTAMINATION DUE TO POOR RUNWAY CONDITION AT YRB (SLUSH AND MUD) AND SUSPECT FLAP SYSTEM FOULED BY THIS CONTAMINATION. THE AIRCRAFT WAS CLEANED AND CHECKED SERVICEABLE, DEPARTURE FOR YOW WAS UNEVENTFUL.