What was found
AFT AIRSTAIRS FLOOR WEB UPPER CHORD HAS CRACK INDICATION TORQUE BOX BS 1263. REMOVED TORQUE BOX WEB AND GUSSET AND 2 EA UPPER CHORDS AND REMOVED BOLT AT AFT AIRSTAIR IAW SRM 51-30-2. FABRICATED GUSSET IAW SRM 51-20-1. HEAT TREATED TO T6 IAW FAS ENGINEERING REPORT NR 2-37153-801 REV A. DRILLED AND TREATED AND PRIMED 2 EA CHORDS AND GUSSET IAW SRM 51-10-2 AND 51-30-5. INSTALLED PARTS IAW SRM 51-30-2. REINSTALLED TORQUE BOX WEB AND BOLT AT AFT AIRSTAIRS IAW SRM 51-30-2 AND SRM 53-10-2 FIG 6.