As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS FAIL TO ILLUMINATE FOR THE BATTERY PACKS AT THE BATTERY PACKS AT THE L/H AND R/H OVERWING (11WL & 12WL) WITH THE CONTROL SWITCH IN ARMED AND THE C/B''S PULLED - SUPPORT TASK - N R 9294239 (28239) GENERATED BY V061627 AT HAECO LCQ. REMOVED AND REPLACED 11WL & 12WL EPSU BATTERIES AND OP CHECKS GO OD IAW A320 AMM 33-51-38-000-002-A, 33-51-38-400-002-A AND 33-51 -00-710-001-A. ACCOMPLISHED BY V061637, INSP BY N078570.