As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: THE AFT LEFT LAV LIGHTS ARE INOPERATIVE. DECESION MADE TO RETURN TO CLT DUE TO FWD LAV ON MEL. EMREGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT ISSUE. MAINTENANCE FOUND LAVS POWER SWITCHED OFF ON THE FWD LIGHT ATTENDANT PANEL 1 20RH IN THE OFF POSITION. MX SWITCHED TO ON IAW AMM 33-44-00.