As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON THRUST APPLICATION TAKEOFF WARNING HORN SOUNDED AND FLAPS INDICATED ON EICAS. FLAPS/SLAT ELEC THEN ILLUMINATED ON STATUS PAGE. REPLACED T153 TRANSFORMER IN P36 PANEL. PERFORMED TEST PER FIM 27-58-00 PG 107 AND 108. SYS CHKS OK. ALSO RESET POPPED FLAP/STAB POSITION C/B.