As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WATER LEAK, RTFL. LEAK COMING FROM SINK FAUCET IN FLIGHT. SHUT OFF WATER TO SINK AND TURNED OFF WATER HEATER. RPLC'D FAUCET. NEED TO RDF BECAUSE COULD NOT GET WATER TO FLOW OUT OF FAUCET. REPLACED CARTRIDGE AND TURNED ON BOTH WATER VALVES, OPS CKS GOOD.