As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROACH LE SLAT DISAGREE LIGHT AND MESSAGE APPEARED WHEN FLAPS WERE MOVED FROM 5 TO 20. THE FLAP HANDLE WAS BRIEFLY MOVED BEYOND THE 20 DEG GATE THEN RETURNED TO 20 DEG. EMERGENCY DECLARED. ACCOMPLISHED FIM 28-81-00-815 FIG 106 FAULT FSEU (SEC2) R & R FSEU IAW AMM 27-51-01. OPS CHECKED NORMAL.