As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION, FOUND THE FOLLOWING: AFT CARGO COMPARTMENT LONGERON FLANGE AND INTERNAL FITTING SHOW CORROSION AT STA 1160, LONG 34R. REMOVED CORROSION IAW SRM 51-1-8. FOUND TO BE WITHIN LIMITS LONGERON FLANGE AND OUT OF LIMITS FITTINGS IAW SRM 52-2-0. REMOVED FITTING IAW SRM 51-1-20D. TREATED AND PRIMED LONGERON FLANGE IAW SRM 51-1-8. INSTALLED FITTING IAW SRM 51-1-20D.