As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL 4 RED STRIPED SEAT MOUNTED LIGHTS AT EMERGENCY EXITS AND 2 SMALL CLEAR EXITS LIGHTS AT LEFT AND RIGHT EMERGENCY ESCAPE DOOR DO NOT LIGHT UP DURING THE TEST. REMOVED AND REPLACED RIGHT EMERGENCY POWER SUPPLY UNIT IAW AIRBUS MAINTENANCE MANUAL 33-51-38-400-001-A.