As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C4 CHECK DISCOVERED LEFT A/C BAY FRAME 39 STR 35L INSIDE AND OUTSIDE ATTACH ANGLE ON WEB CRACK 2.6" IN LENGTH. REMOVED AND INSTALLED NEW ATTACH ANGLES IN LT A/C BAY FS 39 STR35L IAW AIRBUS A320 SRM 51-72-11 PG 2 AND AIRBUS A320 SRM 51-42-11 PGS 22-23, 44-46 AND FIGS 5 AND 20.