As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO WATER PRESSURE AND LOUD NOISE FROM REAR OF AIRCRAFT. RETURNED TO FIELD. *S/D* THE POTABLE WATER SERVICE FILL VALVE HANDLE HAD BEEN LEFT IN THE OPEN POSITION DURING SERVICING. POTABLE WATER SERVICE FILL HANDLE WAS CLOSED. NO DEFECTS WERE FOUND.