As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAL - DURING BC4 CHECK DISCOVERED LEVEL 2 GALVANIC CORROSION ON BUSHING HINGE PIN OF THE NR 4 SPOILER, LEFT WING AT WING STATION 9704 LEFT, REAR SPAR. NO ALLOWABLE LIMITS WERE FOUND IN THE AIRBUS 320 SRM. MAINTENANCE REMOVED AND REPLACED THE HINGE PIN AND BUSHING ASSY ON THE NR 4 SPOILER, LEFT WING IAW AIRBUS SRM 27-64-44.