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, .83 INCHES, AT STRINGER 4L AND BS 639. MAINTENANCE REMOVED AND INSTALLED NEW STRINGER CLIP AT 4L AND BS 639 IAW BOEING 737-300 SRM 51-40-02-0G FIG 8 AND FIG 12.