Message number: 7555
Message creation: Tue Jan 12 17:03:19 UTC 2021

Type: Service Alert
Ann Nr: 6608
Rev: 1
Start Time: 2021-01-12 10:17:00.0
Satellites: Metop-A
Subsystem: HIRS
Subject: Instrument-anomaly
Impact: risk-of-degradation
Detail: Due to repeated occurrences of the Filter Wheel stalling on the HIRS instrument on-board Metop-A, that are caused by mechanism aging, Metop-A HIRS L1B and ATOVS L2 products may suffer sporadic degradation until further notice.
Status: ongoing
Issue Time: 2021-01-12 16:57:01.0
Services: HIRS Level 1 - Metop-A
ATOVS Sounding products - Metop-A

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