What was found
EXFOLIATED CORROSION AFT PIT FRAME BS 1050 ABOVE STRINGER 22L ALSO ABOVE 21L. CUT OUT DAMAGED AREA (DIMENSION 4.5" BY 3.5"). FABRICATED REPAIR ANGLE FROM 7075-0 0.071" PO NR 7247111 (DIMENSION 15.25" BY 4.5") AND REPAIR FILLER FROM 7075-T6 0.063" PO NR 9005922 (DIMENSION 4.5" BY 3.5") OAW B-727 SRM 53-10-2 FIGURE 5 AND 51-40-3 FIGURE 1. HEAT TREATED REPAIR ANGLE 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 AT AFT PIT FRAME BS 1050 ABOVE STRINGER 22L IAW B-727 SRM 51-40-3 FIGURE 1 AND 51-30-2.