As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - SEAT MOUNTED AND AFT LEFT LAVATORY BULKHEAD MOUNTED EMERGENCY LIGHTS FROM 31AB THROUGH 38AB INOPERATIVE. REPLACED MODULE M9034 AND BATTERY PACK FOR INOPERATIVE SEAT MOUNTED AND AFT LEFT LAVATORY BULKHEAD MOUNTED EMERGENCY LIGHTS. SYSTEM GROUND CHECKED NORMAL OPERATION.