As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FA'S REPORTED ALL LAV'S FLUSHING ABILITIES INOPERATIVE DURING FLIGHT GROUNDED - YES. FOUND C/B C11 ON P91 PANEL OPEN VACUUM WASTE CONTROL. RESET THE CIRCUIT BREAKER IAW AMM 20-60-01. OPS CHECKED ALL LAV IAW AMM 38-32-00. OPS CHECKED OK.