As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, HAD EMERGENCY LIGHTS COME ON WHEN SWITCH IN ARMED POSITION. THE EMERGENCY LIGHTS BATTERY CHARGER CIRCUIT BREAKER TRIP. FOUND WIRES 9004-20 AND 9010-20 SHORTED. REPAIRED WIRES AND REPLACED LITGHT SWITCH AND BATTERY IN 9027. OPERATION NORMAL.