As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LFEC INSPECTION OF THE STRINGER 26L SKIN LAP SPLICE BETWEEN FS 480 & 680 INDICATED CRACKS IN THE LOWER FASTENER ROW OF THE LOWER SKIN. INTERNAL MFEC INSPECTION CONFIRMED 4 CRACKS ALONG THE PANEL LENGTH. THE SKIN LAP WAS TRIMMED OFF ALONG THE PANEL LENGTH AND REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 369647-14AD, REV A.