As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURN TO ATL, WITH LEADING EGDE SLAT NR 1 AND LEADING EDGE FLAPS NR 1 AND NR 4, REMAINING ILLUMINATED AMBER ON AFT OVERHEAD ANNUNCIATOR, LE FLAP TRANSIT REMAINED ILLUMINATED CREATING LE LOCKOUT NO ADVERSE ROLL. REPLACED FSEU FOR FAULT CODE 27-51105.