As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-FLT, FLUID DRIPPING FROM PORT UNDER AFT CARGO BAY. DRAIN PORTABLE WATER TANK AND WATER STOPPED. PORTABLE WATER SYS INOPERATIVE FOR ENTIRE ACFT. SECURED DRAIN-FILL VALVE, FILLED POTABLE WATER AND PRESSURIZED WATER SYS, NO LEAKS NOTED.