As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRAILING EDGE FLAP DISAGREEMENT. WHEN SELECTING FLAPS 20 WHILE CONFIGURING, TRAILING EDGE FLAPS STOPPED PRIOR TO 20 AND THE CREW RECEIVED A TE FLAP DISAGREE EICAS MESSAGE. EMERGENCY DECLARED. REPLACED FLAP PCU PER MM 27-51-26-4. SEE LP 281032/3 AND LP 281034/1. REPLACED DEPRESSURIZATION MODULE PER MM 27-51-29-2. SEE LP 281032/3. OPS CHECKED PERFORMED. SEE LP 281032/1 & LP 281034/1.