As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GROUND CREW REPORTS EMERGENCY LIGHTS LEFT ON AND HAVE DISCHARGED. FOUND COCKPIT EMERGENCY LIGHT SWITCH IN THE ON POSITION. RETURNED TO THE OFF POSITION. RAN APU IAW AMM 49-10-00. PERFORMED OPS TEST OF EMERGENCY LIGHTS IAW AMM 33-51-00. OPS TEST GOOD. NO DEFECTS NOTED. ACFT OK FOR SERVICE.