As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LIGHTS CONNECTED TO THEIR RESPECTIVE EMERGENCY LIGHTING BATTERY PACK FAILED TO OPERATE AFTER TWO 30 MINUTE CHARGING SESSIONS. THE TWO LOWER SIDES OF MAIN CABIN DOOR FRAME, ONE ABOVE EMERGENCY EXIT, ONE ON BULKHEAD BEHIND SEAT 9. CORRECTIVE ACTION: REMOVED AND REPLACED ALL EMERGENCY BATTERY PACKS IA W CE680 AMM 33-50-10. PERFORMED RECHARGE PROCEDURE AND OPS CHECK. OPS CHECK GOOD EXCEPT FOR OUTSIDE FWD OVERWING EMER LIGHT NOT ILLUMINATING. SEE DISCREPANCY 6.