As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EMER LIGHTS STAY ILLUMINTED WHEN THE SWITCH IS IN THE ARM POSITION. REMOVED DEFECTIVE FWD EMR BATTERY PACK AND REPLACED WITH A NEW CUSTOMER SUPPLIED BATTERY. REMOVED INOP AFT EMR BATTERY PACKS AND REPLACED WITH A TESTED, CUSTOMER SUPPLIED BATTERY PACK IAW AMM 33-52·01. NO FURTHER DEFECTS NOTED. OPS CHECK GOOD.