As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT DISCOVERED EMER LIGHTS IN LAV AREA INOPERATIVE. AFTER POWERING UP AIRPLANE THE LIGHTS TURNED ON. WHEN POWERING DOWN THE EMER LIGHTS IN THE LAV AREA REMAINED ON AND COULD NOT BE TURNED OFF, EVEN AFTER DISCONNECTING AIRCRAFT BATTERIES. VERIFIED CREW SQUAWK. T/S TO AFT INTERTIA SWITCH TRIPPED. RESET SWITCH IAW AMM 33-50-00.ACCOMPLLSHED OPS CHECK. OPS CHECK GOOD.