As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSTALLATION OF THE RT FS280.00 BEAM, FOUND THE STIFFENER ON THE FWD SIDE OF THE FS280.00 AT RBL26.00 TO BE CRACKED AT THE LOWER END, REQUIRES REPLACEMENT. C/A: LOCATED, AND DRILLED NEW STIFFENER PART CC670-34117-2 IAW SRM 51-40-11-001-001-A01.