As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AN EXISTING REPAIR WAS FOUND ON THE FS 1183 BULKHEAD VERTICAL STIFFENER AT RBL 8. THIS REPAIR WAS REMOVED AND A 2.5 CRACK WAS DISCOVERED IN THE IB FLANGE-TO-WEB RADIUS. S/B 727-53-0175 WHICH IS REQUIRED BY AD 90-06-09, CONTAINS INSPECTION, MODIFICATION, AND REPAIR INSTRUCTIONS FOR THIS AREA. THE REMAINDER OF THE MODIFICATION WILL BE ACCOMPLISHED PER E.O. 4-59275-3 AT A LATER OVERHAUL MTC VISIT.