What was found
SAL - DURING BC4 CHECK DISCOVERED CORROSION, LEVEL 2 GALVANIC, ON SEAT TRACK, 3 POINT, LOCATED AT BS 43 +13, 44 +7, 46 +13 LT INBD Y765L. MAINTENANCE FOUND CORROSION TO BE OUT OF LIMITS IAW AIRBUS 319 SRM 53-31-15. REMOVED AND INSTALLED NEW SEAT TRACK FROM FR 41 TO FR 47 AT Y765 IAW AIRBUS 319 SRM 51-42-11 AND 51-72-11.