As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN GPU POWER WAS REMOVED FROM ACFT, EMERGENCY LIGHTS ILLUMINATED WITH EMERGENCY LIGHT SWITCH IN OFF POSITION. RECHARGED EMERGENCY BATTERIES IAW CMM 25-60-03 FOR 3.5 HRS AND OPS CHECKED EMERGENCY LIGHTS IAW AMM 33-50-00. OPS CHECKED GOOD NO DEFECTS NOTED.