As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMER LIGHTS DO NOT FUNCTION IN ARM POSITION. LIGHTS ALL FUCNTION NORMALLY IN THE ON POSITION. WHEN POWER WAS REMOVED FROM THE AC IN ARM THE EMER LIGHTS DO NOT POWER ON. REPLACED ALL EMERGENCY BATTERY PACKS. WORK PERFORMED IRW CE-680A AMM 33-50-06. DISCREPANCY NO LONGER STANDS.