As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WATER SUPPLY IN LAVATORY POOR QUALITY AFT RH LAV E DRAINED AND SERVICEDTHE PORTABLE WATER SYSTEM A COUPLE OF TIMES AND RAN THE WATER FAUCETS AT ALL LAVATORIES. NO BAD SMELLS OR SINGS OF WATER CONTAMINATION WERE FOUND. REF AMM 38-10 TASK 810