As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TE FLAP DISAGREE EIACAS MESSAGE. COMPLIED WITH QRH. ALTN FLAPS WORKED. EMERGENCY DECLARED. LANDED FLAPS 20 AS DIRECTED. EMERGENCY DECLARED. C/OUT IAW FIM 27-51 TREE 803, NO FAULTS SHOWN. FLAPS SELECTED FROM ALTERNATE TO NORMAL & RETRACTED WITH NO ISSUES. FULL DOWN & UP FLAP CYCLE TEST C/OUT SEVERAL TIMES WITH NO RE-OCCURANCE.