As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C19 CHECK DISCOVERED STRINGER TIE CLIP CRACKED, .25 INCHES, AT STR 16L AND BS 520. MAINTENANCE REMOVED STRINGER TIE CLIP AND INSTALLED NEW STRINGER TIE CLIP AT STR 16L AND BS 520 IAW BOEING 737-300 SRM 51-40-02-0G FIGURES 8 AND 12.