As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON LT AFT SHEAR PLATE WEB FRAME HAS CORROSION ON LOWER SURFACE FR69+10' STR23L. REMOVED AND REPLACED LT AFT SHEAR PLATE WEB FRAME HAS CORROSION ON LOWER SURFACE FR69+10' STR23L IAW SRM 53-41-14 FIG 002.