As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:4C, UPPER SURFACE OF CENTER WING AT STRINGER 1 TO REAR SPAR BETWEEN FS 136 1-1371 RT SIDE HAS INTERGRANULAR AND EXFOLIATION COROSSION. REMOVED, FABRICATED AND INSTALLED CENTER WING UPPER SURFACE OTBD SLAT PANEL ANGLE REF STASA EA 011-5310-01-A4269 REV I/R AND EO MD11- 5310-48617-A.