As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CURRENT C CHECK AT KLM FOUND SHEAR WEB FLANGE AT BS 340 TO 360 STR 26L WITH CRACKS ALONG THE SKIN FASTENER ROW. CUT AND REMOVED THE CRACKED FLANGE AT THE WEB RADIUS. HFEC INSPECTION PERFORMED ON EXTERNAL SKIN AND WEB CUT LINE. NO ADDITIONAL CRACKS FOUND. FABRICATED REPAIR ANGLE AND INSTALLED IAW SRM, SB.