As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, FLAPS WERE MOVED FROM FULL DOWN TO APPROACH THEN TO FULL UP AT WHICH TIME A SPLIT FLAP CONDITION OCCURRED. UPON INSPECTION, IT WAS DETERMINED A SKIN SEAM WAS HANGING DOWN AND CATCHING ON THE FLAP SKIN PREVENTING IT FROM GOING FULL UP.