As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE LAVATORIES INOPERATIVE DURING FLIGHT ABOVE 16K, LAVATORY TANK FULL LIGHT ILLUMINATED. FWD WASTE SYS INOPERATIVE LIGHT ILLUMINATED, AND FWD WASTE TANK SHOWS MORE THAN 3/4 FULL. UNABLE TO DUMP FWD WASTE TANK SYS, MAY HAVE A BLOCKAGE IN DUMP LINE. REMOVED BLOCKAGE FROM FWD WASTE TANK DRAIN TUBE. SERVICED LAVATORIES, SYS OK.