As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING IMBV INSPECTION, QA FOUND CRACKS AROUND ONE FASTENER AT FR 77 BETWEEN STGR 3R AND 4R. AIRCRAFT WAS REMOVED FROM SERVICE FOR IMBV INSPECTION AND WILL BE RETURNED TO SERVICE AFTER IMBV INSPECTION. PERFORMED PERMANENT REPAIR BY INSTALLING A BUSHING ON FR 77 BETWEEN STGR 3R AND 4R IAW SRM 53-32-01RE SECTION 9 AND ETN EM-53-194 AND EM-53-276. AIRCRAFT WILL BE RETURNED TO SERVICE AFTER IMBV INSPECTION.