As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#15, JFK-SFO. (ETOPS) 'CA WINDSHIEL WIPER TRAVELING ABOUT HALF WAY IN SLOW SPEED AND FREQUENTLY DOES NOT TURN OFF ON LESS CYCLE BACK TO SLOW ( WINDSHIELD WIPER SYSTEMS ); REMOVED AND REPLACED CAPTAIN WIPER MOTOR CONVERTER IAW AMM 30-45-51.OPS CHECK GOOD.THIS CLEARS MDDR 53375. MX-4 UPDATED AND PLACAR REMOVED. MCC NOTIFIED.