As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: DONT PASS OPERATIONAL TEST EMERGENCY LIGHTING SYSTEM DUE TO SHOWTHE MESSAGE INT AND EXT LOAD ON ESPU FWD L IN PASSENGER CABIN. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL, PASSENGER / CREW DOORS 831 SLIDE RAFT (AALA202103319008) AND 841 SLIDE RAFT (AALA202103319009). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.