Narrative:

At XX49 Z the ASR-9 radar shut down. We received no primary or beacon targets. In approximately 10 seconds after that, the antenna stopped turning. The supervisors activated our back-up system (cenrap) center radar approach) at XX51Z. The radar returned to service at XX55 Z.

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Original NASA ASRS Text

Title: ATC RADAR EQUIP PROB RADAR ASR-9 FAILED FOR 6 MINS.

Narrative: AT XX49 Z THE ASR-9 RADAR SHUT DOWN. WE RECEIVED NO PRIMARY OR BEACON TARGETS. IN APPROX 10 SECONDS AFTER THAT, THE ANTENNA STOPPED TURNING. THE SUPVRS ACTIVATED OUR BACK-UP SYS (CENRAP) CTR RADAR APCH) AT XX51Z. THE RADAR RETURNED TO SVC AT XX55 Z.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.