=== 2019/1/18(Fri.) ===

=== Weekend ===
 * Nakano, Enomoto, Yokozawa, Yokogawa, Tomaru, Ushiba Guiguo : Some work for Y arm alignment.

==== Transition from morning work (*:responsible person) ====

 * If you open chamber or flange, you must put a label on the door/flange for "when/who" oped/closed door, and leave "current status".
 * COMM: SR alignment will be proceeded in the middle or late of next week

==== Report of work (*:responsible person) ====

 * IMC: ASC loop was closed. Lock lasted all the night.
 * COMM: Beam is hitting on the center of PR2.
 * PR2: We saw the big pitch difference on Oplev as before.
 * ITMY : IP matrix tuning was done.
  * Needs more time for damping. ITMY will be ready next week for SR alignment.

 * MIR: Yokozawa, Kimura, Tomaru checked the surface of ETMY mirror. It was found that the surface was very dirty by eye and Tcam.
  * It is not sure for the cleaning.

 * WAB ETMX: Completed and moved in the safe mode. Needs a small remaining work for ITMY.
 

==== Work plan (*:responsible person) ====
 * PR2 and PR3: we will open doors.
 * Type B: needs tuning for BS frequency. GEO phone is something wrong.
 * DGS: X end rack maintenance will finish this Friday or beginning of next week.