As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OKC - DURING C-CHECK, FOUND CORROSION ON EXTRUDED ANGLES IN RIGHT SIDE OF TORQUE BOX AT BS 1088 TO BS 1156. FOUND TO BE OUT OF LIMITS, LEVEL 2. REPAIRED EXTRUDED ANGLES IN RIGHT SIDE OF TORQUE BOX AT BS 1088 TO BS 1156 IAW BOEING SRM 51-30-5, 51-20-1. (M)