As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L/E SLAT DISAGREE ON FLAP RETRACTION. RAN APPROPRIATE CHECKLISTS AND PROCEDURES. RETURNED FOR LANDING. CHECKED RT OUTBD SLAT FOR RIGGING AND OTBD SLAT ACTUATOR TRANSMITTER FOR PROPER RIGGING. REMOVED AND REPLACED SLAT ACTUATOR IAW AMM 27-81-18-4. PERFORMED RIG AND OPS CHECK OF LEADING EDGE SLAT DRIVE ROTARY DRIVE ACTUATOR AND TRANSMITTER IAW AMM 27-81-18-6, OPS CHECKED NORMAL.