As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND CORROSION ON AND UNDER INTERNAL DOUBLER AT FS 380 TO FS 400 AT LONGERONS 35 LEFT TO 36. CUT AND REMOVED SECTION OF INTERNAL DOUBLER. REMOVED CORROSION AND TREATED AREA. FABRICATED NEW SECTION OF INTERNAL DOUBLERS AND EXTERNAL DOUBLER. INSTALLED IAW DER APPROVED COTNEY ENGINEERING SKETCH SKA 94190-7.