As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - DURING OPERATIONAL CHECK OF THE EMERGENCY LIGHT SYSTEM, MAINTENANCE FOUND THE FORWARD ENTRY AND SERVICE DOOR SLIDE LIGHTS INOP AFTER ABOUT THREE SECONDS OF OPERATION. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK. OPS CHECK GOOD. (M)