Narrative:

On 7/XX90 radar data processing was lost at the day high altitude sector for a period of 10-15 mins. Darc was available but the function keys were locked out. This prevented the controllers working the sector from making any entries to reflect changes in aircraft altitudes, rtes, etc.

Google
 

Original NASA ASRS Text

Title: ONE ARTCC SECTOR LOST RADAR FOR 10+ MINUTES.

Narrative: ON 7/XX90 RADAR DATA PROCESSING WAS LOST AT THE DAY HIGH ALT SECTOR FOR A PERIOD OF 10-15 MINS. DARC WAS AVAILABLE BUT THE FUNCTION KEYS WERE LOCKED OUT. THIS PREVENTED THE CTLRS WORKING THE SECTOR FROM MAKING ANY ENTRIES TO REFLECT CHANGES IN ACFT ALTS, RTES, ETC.

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.