As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER TAKEOFF THE CREW RECEIVED A FLAP DISAGREEMENT WARNING FOR THE OTBD PAIR WHEN THE FLAPS WERE SELECTED FROM 15° TO 0°. THE ACFT RETURNED & LANDED WITHOUT INCIDENT. PERFORMED A VISUAL INSPECTION OF THE FLAP PANELS & RAN AN OPERATIONAL CHECK OF THE SYS BUT WAS UNABLE TO DUPLICATE THE PROBLEM. THE ACFT WAS RETURNED TO SERVICE WITH NO REPORTS OF THE PROBLEM REOCCURRING.