As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERG LIGHT SWITCH: EMERGENCY LIGHTS DO NOT WORK IN ARM POSITION, BUT DO ILLUMINATE IN THE ON POSITION. MAIN EXIT EMERGENCY LIGHTING DOES NOT WORK IN EITHER POSITION. CORRECTIVE ACTION; REPLACED #3 BATTERY PACK, BLOWN FUSE IN #2 BATTERY PACK AND INERTIA SWITCH IAW CE-680 AMM 33-55-10. PERFORMED STISFACTORY OPS CHECK.