As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, WHEN FLAPS AND LEADING EDGE DEVICES WERE RETRACTING, NR 7 SLAT FAILED TO RETRACT, RECYCLED BUT REMAINED EXTENDED. AIR TURN BACK TO (VIT). UPON LANDING FLAPS WERE RETRACTED AND NR 7 SLAT RETRACTED. INSPECTED SLAT, NO DEFECTS NOTED. (M)