As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION OF THE STRINGER 4L SKIN LAP JOINT REVEALED A CRACK AT FS 411. THE CRACK WAS REMOVED WITH A 7 INCH CUTOUT IN THE SKIN. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM REPAIR DOUBLER PER THE B737 SRM AND PER ER/A 095530-14AD.