As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING COMPLETION OF CCN:1-A53-33179 R1 (U172737) STEP 7. FOUND INTERCOSTAL AT BS259 RBL 4 WL 207 TO BE CRACKED FROM AFT EDGE TO THE AFT MOST FASTENER HOLE. ENGINEERING DISPOSITION REQUIRED. REPAIRED INTERCOSTAL BS259; RBL4; WL207 PER EA 20-153-00764 REV IR AND ER#20-02659 REV IR.