What was found
DURING C-04 CHECK, EXFOLIATION CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF L-2 DOOR SILL AT Y1350 BETWEEN FR 66 AND FR 68. MAINTENANCE CUTOUT DAMAGE IN L-2 DOOR SILL AT Y1350 FROM FS 66 TO FS 68; FABRICATED A REPAIR ANGLE, FILLER, AND PLATE; INSTALLED REPAIR PARTS IAW A320 SRM 53-41-14, FIG. 201.