As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK, AFTER RETRACTING FLAPS ON TAKE OFF LEADING EDGE DEVICES .4 SLOWED FULL EXTEND FOLLOWED QRH BUT DEVICES STRAYED OUT. AFTER LANDING AND FLAP RETRACTION ALL LEADING EDGE DEVICES SHOWED FULL EXTENDED. R&R LEADING EDGE EXTEND AND RETRACT FUSES PER AMM.