What was found
AFT CARGO COMPARTMENT, BS 970, BETWEEN STR 28R AND 29R, FRAME LWR FLANGE BLOWN-UP WITH CORROSION. REMOVED FLOOR SUPPORT, VERTICAL STIFFENERS AND ANGLES FOR ACCESS IAW B727 SRM 51-30-2. CUT OUT DAMAGED AREA AT LWR FRAME FLANGE IAW B727 SRM 53-10-4 FIG 11. FAB DOUBLER WITH 7075-0, .080, SIZE 4" BY 6" BY 1", PO NR 9002619 IAW B727 SRM 53-10-4 FIG 11. HEAT TREATED PART FROM 7075-0 TO 7075-T6 IAW FLIGHTSTAR AIRCRAFT SERVICES ENGINEERING REPORT NR 2-37153-801 REV IR. TREATED AND PRIMED DOUBLER PART IAW B727 SRM 51-10-2. INSTALLED DOUBLER REPAIR IAW B727 SRM 53-10-4 FIG 11. INSTALLED FLOOR SUPPORTS, VERTICAL STIFFENER AND ANGLE IAW B727 SRM 51-30-2.