As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LFEC INSPECTION REVEALED CRACKS IN THE LOWER FASTENER ROW OF THE LOWER SKIN AT THE STRINGER 4R LAP SPLICE BETWEEN FS 681 AND 740. INTERNAL HFEC INSPECTION CONFIRMED 12 CRACKS ALONG THE LENGTH OF THE PANEL. THE LAP SPLICE WAS CUT OUT ALONG THE ENTIRE PANEL LENGTH AND REPAIRED WITH AN EXTERNAL ALUMINUM REPAIR DOUBLER PER ER/A 366741-14, REV A.