As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-19 CHECK, LT AILERON TAB WAS FOUND TO BE SEPARATED ALONG THE AFT EDGE NEAR THE OUTBOARD END. MAINTENANCE REMOVED ALL CONTAMINANTS AND WATER FROM DAMAGED AREA AND REPAIRED LT AILERON TAB IAW BOEING 737-300 SRM 51-70-06-0 FIG 13.