What was found
AIRCRAFT IN BASE MAINTENANCE: EXTERNAL SKIN AROUND AFT LAVATORY VENT HAS CORROSION AROUND FASTENERS. REMOVED CORROSION AT EXTERNAL SKIN AROUND AFT LAVATORY VENT AROUND FASTENERS, PER B737-NG-SRM 51-10-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT IN BASE MAINTENANCE: EXTERNAL SKIN AROUND AFT LAVATORY VENT HAS CORROSION AROUND FASTENERS. REMOVED CORROSION AT EXTERNAL SKIN AROUND AFT LAVATORY VENT AROUND FASTENERS, PER B737-NG-SRM 51-10-02.