As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL LAVATORIES WILL NOT FLUSH, NO MOTOR OR H2O INOPERATIVE. WHEN A/C ARRIVED ALL LAVATORIES FLUSHED & INDICATION WAS GOOD. IAW FORMED BITE CHECK ON FWD MID & AFT WASTE TANK LOGIC CONT MODULES, ALL CHECKED GOOD. SERVICED LAVATORIES & POTABLE WATER FOR CONFIRMATION OF PROPER INDICATION. NO FAULTS FOUND, OK TO CONT.