FAUS20 KZLC 172128
ZLC MIS 01 VALID 172130-180430
...FOR ATC PLANNING PURPOSES ONLY...
ZLC CWSU WILL BE CLOSED FROM 172130Z UNTIL 180430Z...CWSU ZSE WILL 
PROVIDE BACK-UP SERVICES DURING THIS TIME. CWSU ZLC WILL
REOPEN AT 181330Z. RW
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