What was found
NR 4 SLAT LOWER TRAILING EDGE ACCESS PANEL ATTACH "L" ANGLE IS CRACKED AT UPSTOP PAD. REMOVED OUTBOARD NR 4 SLAT ACCESS PANEL AND BUMP STOP IAW B-727 SRM 51-30-2. NDT CRACK FOR END VERIFICATION IAW B-727 NDT MANUAL CH. 51-00-0 PT 6 FIGURE 23. CUT OUT 4 INCH SECTION OF ATTACH "L" ANGLE IAW B-727 SRM 51-40-2. FABRICATED NEW ANGLE REPAIR APPROXIMATE DIMENSION 27.5" BY 1.5" AND FILLER APPROXIMATE DIMENSION 9" BY 1.5" FROM EXTRUSION BAC 1514-159 2024-T3511 PO NR 7332223 IAW B-727 SRM 57-50-2 FIGURE 2. TREATED AND PRIMED ANGLE REPAIR AND FILLER IAW B-727 SRM 51-10-2. INSTALLED NEW REPAIR PARTS AT NR 4 SLAT LOWER TRAILING EDGE IAW B-727 SRM 51-30-2.