As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH FLAP ASSYMETRY LESS THAN 1 DEGREE. FULL LEADING E DGE SLATS UPON TROUBLESHOOTING FOUND MAINTENANCE MESSAGE 27-52259 ON FSCU FOR TE FLAP SENSOR LEFT I REMOVED AND REPLACED LEFT FLAP POSITION SENSOR IAW AMM TASK 27-58-01-400-801 OPS CHECK GOOD.