As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: STANDBYE EMERGENCY LIGHT BATTERIES DO NO HOLD A CHARGE. WHEN ACCEPTING THE AC AT THE BEGGINING OF THE DAY THE LIGHTS DONT WORK. AFTER THE AC HAS BEEN RUNNING AND THE BATTERY CHARGE PROCEDURE HAS BEEN COMPLETED THE LIGHTS WORK AS THEY SHOULD ON THE STANDBYE BATTERIES. CORRECTIVE ACTION: REPLACED BATTERY. OPS CHECK GOOD. IAW CE-700 AMM 33-50-07