As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND AT VARIOUS POINTS ON TOP OF WING BOX AT WL 73.5, RBL:42.00 BETWEEN FS:409.00+128 AND FS559.00. (R/H SIDE OF WING BOX IN THE INTERIOR) SUMMERIZATION INSPECTION - FILED CLOSED COMPLIED WITH CORROSION REPAIRE ON THE TOP OFWING BOX AT WL 73.5,RBL:42.00 BETWEEN FS:409.00+128 AND FS559.00 RH SIDE REFERENCE GREO AND REO SEE ATTACHED (RII) AND FORM M-337