As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START AND WITH EMERGENCY LIGHT SWITCH IN ARM SOME OF THE CABIN EMERGENCY LIGHTS ILLUMINATED. MOVING SWITCH TO OFF DID NOT EXTINGUISH THE LIGHTS. A COUPLE CEILING LIGHTS WERE ILLUMINATED AND DOOR STEP LIGHTS. EXIT SIGNS WERE NOT ILLUMINATED. CORRECTIVE ACTION: REPLACED EMERGENCY BATTERIES IAW EMB-505S AMM 33-52-1 OPS CHECK GOOD