As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED IN DESCENT AT 290KTS W/AUTOPILOT ON, UCA AND FLAP INDICATORS DEPLOYED ON EICAS PAGE. FLAP INDICATOR SHOWED GREEN BAR MOVEMENT AND READOUT MOVED TO 2 DEG. AIRCRAFT HAD PITCH OSCILLATIONS OF APPROX 3 DEG NOSE UP AND DOWN. MAINTENANCE REMOVED AND REPLACED THE FLAP TRANSMITTER. NO OTHER DEFECTS WERE NOTED AND AIRCRAFT WAS RELEASED FOR SERVICE.