As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS BATTERY PACK (11WL) FAILS TO ILLUMINATE WITH THE SWITCH IN THE ARM POSITION AND THE C/B'S PULLED, PER HAECO LCQ NON ROUTINE. REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK, IAW A319/320 MM 38-51-38-000-002A 33-51-38-400-002A OPERATIONS TEST OF THE EMERGENCY POWER SUPPLY UNITS CHECKS GOOD, IAW A319/320 MM 33-51-00-710-001 A AND 33-51-00-710-083A.