Update#1 - Final Update: The maintenance vendor replaced the Azimuth motor, resulting in the LUT returning to normal operation.

Topic:  SARSAT Guam 4 Low Earth Orbit (LEO) Ground Station Offline

Date/Time Issued:  September 20, 2023 1726Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:   August 11, 2023 0046Z

Date/Time of Expected End:  September 20, 2023 1705Z

Length of Outage:  40 days, 16 hours, 19 minutes

Details/Specifics of Change: The Guam 4 LEO Ground Station has a stuck Azimuth motor. The maintenance vendor is working on repairing the issue.

Impact: Medium - LEOSAR Western Pacifica US AOR distress detection/reporting may be delayed. GEOSAR and MEOSAR are operating nominally.

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at 301-817-4576

Web Site(s) for applicable information: N/A

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