As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C18 CHECK DISCOVERED ANGLE CRACKED AT LOWER LEFT WING, INSIDE TOP LT PYLON PANEL NR 57720L, AT FSS 237. MAINTENANCE REMOVED DAMAGED ZEE ANGLE IAW BOEING 737-300 SRM 51-40-02-0R. FORMED NEW ZEE ANGLE IAW BOEING DWG 65C26701 SHEET 1 REV D. INSTALLED FORMED REPAIR PARTS AT FSS 237 AND LT PYLON PANEL 57720L IAW BOEING 737-300 SRM 51-40-02.