As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: DURING WALK AROUND FOUND LAV WAST EXHAUST VENT WITH CORROSION DAMAGE LENGTH 2.5INCH WITDH 1.5 INCH; REPAIRED LAV VENT CORROSION IAW A320 SRM 53-41-11 AFT LAV OUTLET SKIN EXTERNAL REPAIR PER SRM 51-21-11, SRM 51-23-00 REF STS AVIATION SERVICES WO# W003419 NR# N0014 FOR ALL WORK ACCOMPLISHED STSMECH: MA0091 AND STS QC: QC0042.