As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE HEAVY MAINTENANCE NON ROUTINE N0526. EMERGENCY LIGHT OPERATIONAL TEST FAILED WITH A CLASS 1 MESSAGE EPSU (11WL) AND (12WL). FOUND HIGH AND LOW CODING SWITCHES ON TERMINATION/CONNECTION BOX 3000RH8-DEU B TO BE CODED ONE NOTCH OFF. SET CODING POTENTIOMETERS TP PROPER POSITION IAW A318 AMM 23-73-47-400-001. OPERATIONAL CHECK GOOD IAW A318 AMM 33-51-00-710-001.