As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK*** MAINTENANCE FOUND LEVEL 2 CORROSION @ CENTER FUSELAGE III UNDER FLOOR PANEL SHEAR CLIP FR 88 BETWEEN STR 27R AND 28R. SHEAR CLIP REPLACED IAW SRM 51-41-02 AND 51-43-03. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.