ATC equipment problem radar ARTS ASR-9 failures ongoing problem for 10 days.

Attributes
ACN	274644
Time
Date	199406
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : stl
State Reference	MO
Environment
Light	Daylight
Aircraft 1
Controlling Facilities	tower : dca
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller non radar : 2 controller radar : 19 controller supervisory : 12
ASRS Report	274644
Events
Anomaly	other anomaly other
Independent Detector	other other : unspecified atc
Resolutory Action	none taken : unable
Consequence	faa : investigated
Supplementary
Primary Problem	Navigational Facility
Air Traffic Incident	other
Situations
Navigational Aid	Unspecified

Narrative:

While I was working feeder arrival south at st louis approach my radar scope flashed, bright lines appeared, and my scope became unusable. This happened to 4 out of the 5 scopes on the side of the radar room I was working.

Original NASA ASRS Text

Title: ATC EQUIP PROB RADAR ARTS ASR-9 FAILURES ONGOING PROB FOR 10 DAYS.

Narrative: WHILE I WAS WORKING FEEDER ARR S AT ST LOUIS APCH MY RADAR SCOPE FLASHED, BRIGHT LINES APPEARED, AND MY SCOPE BECAME UNUSABLE. THIS HAPPENED TO 4 OUT OF THE 5 SCOPES ON THE SIDE OF THE RADAR ROOM I WAS WORKING.

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.