What was found
DURING C4 CHECK DISCOVERED GALVANIC CORROSION ON DUMMY RAIL FROM FS 66+5 TO FS 68-5, FROM -Y1170 TO -Y1292. REMOVED CORROSION FROM DUMMY RAIL, FROM FS 66+5 TO FS 68-5, FROM -Y1170 TO -Y1292 IAW AIRBUS 320 SRM 51-74-00. REWORK FOUND TO BE OUT OF LIMITS IAW AIRBUS 320 SRM 53-00-14. REMOVED DUMMY RAIL FROM FS 66+5 TO FS 68-5, FROM -Y1170 TO -Y1292 IAW AIRBUS 320 SRM 51-42-11. PREPARED NEW DUMMY RAIL FOR INSTALLATION IAW AIRBUS 320 SRM 51-49-11. REPAIR PARTS INSTALLED FROM FS 66+5 TO FS 68-5, FROM -Y1170 TO -Y1292 IAW AIRBUS 320 SRM 51-42-11.