As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN EXTENDING FLAPS FROM 15 TO 20 TE FLAP DISAGREE MESSAGE ILLUMINATED. FLAPS IND 20 BUT MSG WOULD NOT GO AWAY WHEN QRH PROCEDURE ACCOMPLISHED LANDED WITH 20 FLAPS. CHECKED FLAP OPERATION IAW FIM 27-51-00 FIG 105 NO ACTUATORS WERE TRIPPED, SYSTEM OPS NORMAL.