As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE LOWER SKIN OF THE STRINGER 4L SKIN LAP SPLICE WAS FOUND SCRIBED ALONG THE LENGTH OF THE PANEL FROM FS 540-727. THE ENTIRE LAP JOINT WAS CUT AWAY TO REMOVE THE DAMAGE. THE AREA WAS REPAIRED WITH TWO EXTERNAL ALUMINUM REPAIR DOUBLERS PER BAC S/B 737-53A1177 AND ER/A 088477-14.