As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS STAY ON WHEN THE SWITCH IS IN THE ARM POSITION. REMOVED DEFECTIVE EMERGENCY LIGHT BATTERY 1 P/N:7450LS-00 S/N:005253 AND REPLACED WITH CUSTOMER SUPPLIED(REPAIRED) BATTERY P/N:7450LS-00 S/N:006062 PER P-300 AMM 33-52-01. NO DEFECTS NOTED.