As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT BILGE BODY FRAME SHEAR TIE ASSY HAS DISBONDED LEVELING COMPOUND/CORROSION BS 1130 AFT, STR 29R - 30, WL 148. BLENDED CORROSION ON SHEAR TIE, FOUND TO BE OUT OF LIMITS. FABRICATED AND INSTALLED NEW PIECE. REF SRM 51-30-02 AND DWG NR 69-20813. THIS IS CLASSIFIED AS A MAJOR REPAIR.