As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE TE FLAP DISAGREE DISPLAYED, TRAILING EDGE LIGHT ILLUMINATED, WHEN ANY TE FLAP POSITION SELECTED. FLAPS FAIL TO MOVE TO SELECTED POSITION. EXTENDED TO 20 USING ALT TE SYSTEM IAW CHECKLIST. FLAP SLAT SYSTEM CYCLED WITH NORMAL MODE WITHOUT ANY FURTHER REMARKS.