As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SELECTING FLAPS FROM 1 TO 5 LE SLAT ASYMETRY. EMERGENCY DECLARED. RAN QRH AND LANDED. TROUBLESHOT IAW WDM 27-88-22 PG1. COULD NOT DULPICATE FAULT. REMOVED AND REPLACED THE SENSOR S294 AS PRECAUTION IAW AMM 27-88-01-902-001. OPS CHECKED GOOD.