As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LINE CHECK, MAINTENANCE FOUND THAT THE EMERGENCY EXIT SIGN FOR THE AFT COMPARTMENT DOOR WAS INOPERATIVE. MAINTENANCE FOUND THAT THE BATTERY PACK WAS NOT CHARGING AND REPLACED THE CHARGER B5-260. THE LIGHTS RETURNED TO AN OPERATIONAL CONDITION. (LP #8920821)