As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:4C, CTR CABIN SUBFLOOR CTR WING UPPER PANEL APB7441-1 HAS CORROSION ON UPPER SURFACE BETWEEN STRINGER 17 & 18 AND BETWEEN X-102 AND X-106 4 AREAS. REPAIRED CORROSION ON MAIN CABIN CTR WING BOX UPPER SKIN S17-S18 REF EO MD11-5730-42604-A AND STASA EA 011-5730-01-A3089 REV.IR