As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHEN THE BATTERY WAS SWITCHED OFF, THE 50 PERCENT DOME LIGHT SWITCH IN THE COCKPIT AND THE ELECTRICAL POWER MANAGEMENT PANEL REMAINED ILLUMINATED EVEN THOUGH THE SWITCH WAS IN THE OFF POSITION. MAINTENANCE FOUND THE SWITCH HAD CONTINUITY IN THE OFF POSITION.