As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 715 FROM MEM TO TOL. DURING CLIMB OPERATION ON FLAP RETRACTION THE NR 7 LEADING EDGE DEVICE WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO MEM WHERE IT LANDED WITHOUT INCIDENT. POST FLIGHT INSPECTION OF THE NR 7 LEADING EDGE POSITION SWITCH WAS PERFORMED AND THE LEADING EDGE DEVICES WERE OPERATIONALLY CHECKED WITH NO DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.