What was found
AFT LAVATORY SMOKE ON TAKEOFF. REPLACED RT ENGINE SUMP SEAL PRESSURE REGULATING VALVE, TEST FLIGHT SATISFACTORY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT LAVATORY SMOKE ON TAKEOFF. REPLACED RT ENGINE SUMP SEAL PRESSURE REGULATING VALVE, TEST FLIGHT SATISFACTORY.