As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE RETRACTING FLAPS AFTER TAKEOFF, A FLAPS DISAGREEMENT WAS OBSERVED. COMPLIED WITH APPROPRIATE CHECKLISTS AND RETURNED TO LAND. FOUND RIGHT OUTBOARD FLAP ACTUATOR CANNON PLUG FULL OF DE-ICE FLUID AND WATER. CLEANED AND OPERATED FLAPS NUMEROUS TIMES, ALL SYSTEM CHECKS GOOD.