As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER SURFACE OF CENTER WING BOX LOC AT LEVEL FR 42 AND BTW -Y1732 TO -Y 1292 PAX CABIN MEASURE L=1.500" W=1" D=0.002" APPROX. REPAIR ON UPPER SURFACE OF CENTER WING BOX LOCATED AT LEVEL FR41 TO FR42 BTW Y-1292 TO Y-1732 AND RIB 1 PAX CABIN PER ERA 521963-14.