As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION ON LH AFT SHEAR WEB FR 69 -FR70 STR 23L; REMOVED CORROSION FOUND TO BE OUT OF SRM LIMITS. REMOVED AND REPLACED AFT CABIN SHEAR WEB IAW A320 SRM 53-41-14-05-A AND SRM 51-72-11 REFERENCE HAECO NR 440586-32435 FOR ALL WORK ACCOMPLISHED.