As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION INTERNAL SKIN LOCATED BETWEEN FR12 AND FR13 AT LEVER STRINGER 38L IN LH AVIANICS COMPARTMENT ; PERFORMED PERMANENT REPAIR LOCATED BTW FR 12 TO FR13 AT STRINGER LEVEL 38L TO STRINGER 36L IN LH AVIONICS COMPOARTMENT IAW EA 53-0258-20 AND EC# A320-310-01 AND THIS PERMANENT REPAIR IS CATEGORY B AND FUTHER INSPECTION REQUIRED SEE PAGE 3 OF RDAS REF 9076