As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: EMERGENCY LIGHTS ARE ON WITH THE EMER LT SWITCH IN THE ARM POSITION. *** CORRECTIVE ACTION *** TROUBLESHOT AND REMOVED DEFECTIVE #2 EMERGENCY BATTERY AND REPLACED WITH CUSTOMER SUPPLIED MODIFIED EMERGENCY BATTERY IAW EMB-505 AMM 33-52-01. OPS CHECKED GOOD NO DEFECTS NOTED AT THIS TIME.