What was found
CORROSION ON FRAME SHEAR TIE BS 580 BETWEEN STR 28R-28L. FOUND CRACK IN SHEAR TIE IAW B727 SRM 51-10-1. FAB`D NEW SHEAR TIE FROM 7075-0 .071" PO NR 9004690. DIM 2 1/4" BY 5" IAW B727 SRM 53-10-4 FIG 15 AN B727 SRM 53-10-2 FIG 3. HEAT TREAT PART FROM 7075-0 TO 7075T6 IAW FLIGHTSTAR FORM NR FAS 0115 REV 10 TR-02. AREA AN PART TREATED AN PRIMED IAW B727 SRM 51-10-2. REPAIR INSTALLED IAW B727 SRM 53-10-4 FIG 15. MAJOR REPAIR. PERMANENT REPAIR.