What was found
AT LT SIDE OF AFTSTAIR WELL, CRACK EMANATING FROM UPPER LIGHTENING HOLE IN TORQUE BOX AT BS 1263. REMOVED EXISTING DOUBLER AT LT SIDEWALL AFT AIRSTAIR WEB BS 1263 IAW SRM 51-30-2. FAB. NEW REPAIR DOUBLER FROM 7075T6 .040 PO NR 9003137 APPROX. DIM. 3 INCH X 3 INCH IAW SRM 51-40-2 FIG.1 AND SRM 53-10-2 FIG 6, STOP DRILLED CRACK AT SIDEWALL WEB BS 1263 IAW SRM 51-10-1, PERFORMED NDT HFEC C/W AROUND STOP HOLE NO CRACKS NOTED IAW B727 NDT PART 6 51-00-00 FIG.23. TREATED AND PRIMED REPAIR DOUBLER AND WORKING AREA IAW SRM 51-10-2. INSTALLED REPAIR DOUBLER AT LT SIDE AFT AIRSTAIR SIDEWALL WEB BS 1263 IAW SRM 51-30-2