What was found
FUSELAGE FRAME STATION 420 FRAME AND STRAP HAVE NUMEROUS HOLES DRILLED THROUGH BETWEEN STRINGER 7R AND 8R. REMOVED STRAPS AND FRAME ATTACHED PARTS FOR ACCESS IAW B-727 SRM 51-30-2. CUT OUT DAMAGED SECTION OF FRAME (DIMENSION 40" BY 5") IAW B-727 SRM 51-10-1. FABRICATED NEW FRAME SECTION (DIMENSION 40" BY 5") FROM 7075-0 0.080" PO NR 9005314 AND REPAIR ANGLE FROM 7075-0 0.090" PO NR 71185240 (DIMENSION 10.5" BY 5") IAW B-727 SRM 51-40-3 FIGURE 1 AND 53-10-2 FIGURE 3. HEAT TREATED PARTS TO T6 IAW FAS ENGINEERING REPORT NR 2-37153-801 REV A. TREATED AND PRIMED PARTS IAW B-727 SRM 51-10-2. INSTALLED REPAIR PARTS IAW B-727 SRM 51-40-3 FIGURE 1 AND 51-30-2. REINSTALLED STRAPS AND FRAME ATTACHED PARTS IAW B-727 SRM 51-30-2.