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 4R SKIN LAP SPLICE BETWEEN FS 360 & 480 INDICATED A CRACK IN THE LOWER FASTENER ROW OF THE LOWER SKIN. INTERNAL HFEC INSPECTION CONFIRMED A SINGLE CRACK BETWEEN FS 440 & 460. THE CRACK WAS ROUTED OUT OF THE SKIN LAP AND AN EXTERNAL ALUMINUM DOUBLER INSTALLED PER B727 SRM 53-30-3, FIG 5 AND ER/A 367752-14AD.