As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE C-CHECK INSPECTION FOUND CRACK ON MAIN CARGO COMPARTMENT FRAME FLANGE 1 INCH AT STA 340.000 L-20L. MAJOR REPAIR ACCOMPLISHED BY REMOVAL OF CRACKED FRAME SEGMENT. FABRICATED NEW FRAME SEGMENT AND SPLICES. HEAT TREATED SPLICES. CLEANED, TREATED AND PRIMED AREA AND NEW FRAME SEGMENT AND SPLICES. APPLIED SEALANT TO FAYING SURFACES. INSTALLED NEW FRAME SEGMENT AND SPLICES IN ACCORDANCE WITH DOUGLAS STRUCTURAL REPAIR MANUAL.