As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FRAME 13 LEFT INBOARD AND OUTBOARD SIDES, AND FRAME 13 RIGHT SIDE INBOARD SIDE OF VERTICAL BRACES CRACKED AT COCKPIT DOOR OPENING. FOUND DURING C CHECK INSPECTION. STOP DRILLED CRACKS IN BRACE. REMOVED CRACKED IB ANGLES. FABRICATED AND INSTALLED A NEW IB ANGLES AND A DOUBLER FOR THE OB BRACE IAW SRM 51-00-00 AND 51-40-02.