As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAW CREW-F/O WINDSHIELD WIPER IS OSCILLATING BACK AND FORTH, VERY ANNOYING TO FLT CREW. REPEATED PRESSING OF SWITCH NO HELP. REPLACED F-O WIPER MOTOR PER MM. NO HELP. OKAY TO CONTINUE. DEFERRED PER MEL. C-B PULLED AND CAPPED ON RT WIPER. C-B LOCATION L-7 ON P210 PANEL. REPLACED WINDSHIELD WIPER INTERMITTENT MOTOR CONVERTER.