As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FORWARD LEFT AND RIGHT EMERGENCY FLOOR LIGHTS ILLUMINATED SHORTLY AFTER TAKEOFF. THE EMERGENCY LIGHTS WERE FOUND SHORTED DUE TO A RIGHT FORWARD LAV LEAKING FLUID. THE EMERGENCY BATTERY PACKS WERE REPLACED AND THE LIGHTS TESTED GOOD.