As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY MAINTENANCE PERFORMING INSPECTION IT WAS NOTED THAT THE AFT CARGO COMPARTMENT SHEAR TIE LOCATED AT S29-30L CORRODED. CORROSION FOUND TO BE OUT OF LIMITS, DAMAGE WAS CUT OUT. FABRICATED SHEAR TIE, HEAT TREATED TO T6. FABRICATED DOUBLER. INSTALLED REPAIR AT BS 950E BETWEEN S29 TO 30L IAW SRM 53-10-4, 53-10-2. NO OTHER DEFECTS NOTED. AIRCRAFT WAS RETURNED TO SERVICE.