As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE WALKING PAST THE ACFT, NOTICED CORROSION AROUND THE WASTE TANK VACUUM GENERATOR EXHAUST PORT. REMOVED EXISTING FASTENERS IN REPAIR A320 SRM 53-41-11 WIP .145518. WORKING REPAIR ON ERA 629295-14. -728756. COMPLETED REPAIR ON ERA 629295-14. OPS CHECK OF LAV WASTE SYSTEM GOOD. ASSOCIATED ER/A 14-629295.