What was found
LT WING FIXED LE UPPER SURFACE CRACKED AT NR 3 SLAT OB GUIDE (HOOK) CUTOUT AFT OB CORNER, MARKED. REMOVED FASTENERS FOR ACCESS IAW B727 SRM 51-30-2. STOP DRILLED CRACK IAW B727 SRM 51-10-1, NDT INSPECTED PER 727 PT6 51-00-00 FIG 23 CRACK ENDS IN STOP HOLE. FABRICATED REPAIR DOUBLER MAT USED 301 1/2 HD .025 PO NR 9002329 DIM 8" BY 4 1/2". 1 FILLER MAT USED 301 1/2 HD .040 PO# 9003110 DIM. 2 1/2"X 3/4" IAW B727 SRM 57-30-4 FIG 9. TREATED AND PRIMED AREA AND PARTS IAW B727 SRM 51-10-2. INSTALLED REPAIR IAW B727 SRM 57-30-4 FIG 9 AND 51-30-2.