As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT FOUND EMERGENCY LIGHT UNDER SEAT 5, SEAT 8 AND OVER SEAT 7 TO BE INOP. PERFORMED CHARGING PROCEDURE IN QRH AND LIGHTS REMAINED INOP. REMOVED FAULTY #3 EMERGENCY BATTERY PACK & INSTALLED REPAIRED BATTERY PACK IAW CE-680A MM CHAP 33-50-06. PERFORMED CHARGING OF EMERGENCY BATTERIES. COMPLIED WITH EMERG BATTERY FUNCTIONAL CHECK IAW CE-680A MM CHAP 33-50-00. OPS CHECK GOOD. CLOSED UP ACCESS AS REQUIRED.