As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH EMER LIGHTS SWITCH IN OFF POSITION & ACFT COMPLETELY DEPOWERED, THE TWO AFT OVERWING EXIT LIGHTS COME ON ALONG WITH SOME OTHER LIGHTS AROUND ROW 9. RESET ACFT POWER & ALLOWED BATTERIES TO CHARGE FOR 6 HOURS. SYS CHECKED NORMAL IAW MM 33-53-00.