TECHNICIAN NOTES : Out today for the concerns of a college single vanity sink in the full hallway bathroom located upstairs and also for the concerns of a leaking basket drainer for the left side of the sink. Ran flex shaft through bathroom drain and brought back what looked to be a necklace that was causing the clog. After clearing obstruction, sink has been tested showing no further concerns. RESOLUTION : Snaked full hallway bathroom sink located upstairs and replaced basket strainer for the left side of the sink. Repairs have been tested showing no further concerns at this time.