As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK INSPECTION, EMERGENCY LIGHTS WOULD NOT EXTINGUISH WHEN SWITCH WAS PLACED IN THE 'OFF' POSITION. MAINTENANCE REPLACED A BATTERY PACK (B5-901), WIRE (L853A20) AND CIRCUIT BREAKER (B1-387) AND OPERATIONAL CHECK WAS NORMAL.