As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE SIDE CHORD INTERCOSTALS COMMON TO THE FS 178 BULKHEAD AT WL 195 WERE FOUND WITH CRACKING TYPICAL OF BAC S/B 737-53A1173 AND AD 2000-05-29. THE DAMAGED INTERCOSTALS WERE REMOVED AND NEW INTERCOSTALS INSTALLED WITH OVERSIZE FASTENERS AS REQUIRED. THE WORK WAS ACCOMPLISHED PER ER/A 378139-14AD.