What was found
C11 CHECK - LEVEL 2 EXFOLIATION CORROSION ON MAIN CABIN RIGHT OUTBOARD SUPPORT RAIL BETWEEN FR20 TO FR23, -Y1584. REPLACED RIGHT OUTBOARD SUPPORT RAIL BETWEEN FR20 TO FR23, -Y1584 IAW A319 SRM 51-42-11-001 PAR 6D FIG 8, PAR 6B, FIG 2 & 3, PAR 7B.