As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE MAINTENANCE, RT OVERWING EMERGENCY LIGHTS DID NOT ILLUMINATE. R & R THE EPSU BATTERY 12WL IAW AMM A320 33-51-38-000-002, AMM 33-51-38-440-002-A. R & R THE RT OVERWING EMERGENCY LIGHTS AMM 33-51-15-000-001-A AND AMM 33-51-15-400-001-A. PERFORMED OPS CHECK IAW A320 AMM 33-51-15-710-053-A AND 33-51-38-710-052-B. OPS CHECK PASSED.