As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING D-CHECK INSPECTION, DISCOVERED CORROSION ON THE STA 950, STR 29R, BELLY SKIN. A SECTION OF THE LOWER FRAME CHORD WAS TRIMMED AWAY AND REPAIR FILLERS/ANGLES WERE INSTALLED WET WITH SEALANT. REPAIR ACCOMPLISHED IAW EVERGREEN AIR CENTER - ENGINEERING CHANGE REPAIR AUTHORIZATION NR N927TS-53-002-EAC.