As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C4 CHECK IT WAS DISCOVERED THAT THE LEFT FORWARD WING TO BODY SUPPORT STRUCTURE ATTACH ANGLE WAS CRACKED, 2.1 INCHES IN LENGTH, AT FR34 OUTBOARD OF STR30L AND STR 31L. MAINTENANCE REMOVED AND INSTALLED NEW LEFT HAND FORWARD WING TO BODY SUPPORT STRUCTURE ATTACH ANGLE AT FR34 OUTBOARD OF S30 AND 31 LT IAW AIRBUS A320 SRM 51-72-11.