As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON COMPLIANCE OF 2 YEAR CORROSION CHECK TASK 5310-132-CO1E THE FUSELAGE SKIN BELOW THE LAV DUMP VALVE DOUBLER WAS FOUND TO BE GOUGED. THE DAMAGED PART WAS REPAIRED I/A/W EMB-120 STRUCTURAL REPAIR MANUAL STANDARD PRACTICES AND EMBRAER REPAIR FAX #SST-3090/00.