As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - PILOT REPORTED THAT THE EMERGENCY EXIT LIGHTS FLASH OFF AND ON DURING FLIGHT. LIGHTS STOP FLASHING WHEN CYCLED ON, OFF AND BACK TO ARMED POSITION. MAINTENANCE REMOVED AND REPLACED THE AFT LEFT BATTERY CHARGER ASSEMBLY AND BATTERY PACK. SYSTEM OPERATIONALLY CHECKS GOOD PER MM 33-51-02. (M)