As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: DURING EMER LIGHT CHECK IN ARM. NO EMER LIGHTS WORK. WITH EMER LIGHT SWITCH ON. EXIT LIGHT OVER MAIN DOOR NOT ON. OVERHEAD AT SEAT 3 AND 10 NOT ON. WHEN FULL AIRCRAFT POWER IS AT 28 VOLTS , ALL EMER LIGHTS ON. CORRECTIVE ACTION: REMOVED AND REPLACED #1 EMERGENCY BATTERY PACK IAW CE-680A MM 33-50-06. OPS CHECK GOOD.