As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MDCC HORIZONTAL PRESSURE DECK FRAME 47, Y0 - -Y450, WEB CRACKED APPROX 0.5 INCH IN LENGTH. NDT FOUND THE LENGTH OF THE CRACK WAS OUT OF LIMITS IAW SRM 53-15-15-201 C2 & NTM 51-10-07, L=30 MM. FABRICATED THE NEW WEB IAW DWG A53832100 ISSUE G. PERFORMED THE REPAIR ON THE WEB WITH REPLACEMENT OF THE WEB IAW SRM 51-40-21. THE REPAIR WAS CATEGORY A & WAS CLASSIFIED AS MAJOR IAW GMM 6-2-100 REVISION 129.