As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHV - DURING C CHECK, THE SHEAR CLIPS ON FRAME 68 AND CARGO SILL SHEAR CLIPS WERE FOUND TO BE CORRODED WITH CORROSION ALL THE WAY THRU IN SOME SPOTS. MAINTENANCE REMOVED THE DAMAGED AREA AND INSTALLED A DOUBLER REPAIR IAW EC 5330-01458. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.