As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. ESCAPE PATH LIGHTING IN AISLE SEATS BETWEEN ROWS 10 & 19 TURN ON AND OFF RANDOMLY WITH EMERGENCY LIGHTS ARMED OR OFF. THIS PROBLEM THROUGHOUT THE MID CABIN. REPLACED BATTERY PACKS AT WBU 13 (AALA202010279022) AND WBU 26 (AALA202010299001), PER AMM 33-51-07. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED, PER AMM 33-51-07.