ARTCC radar controller's transmitter receiver panel failed.

Attributes
ACN	149391
Time
Date	199006
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zau
State Reference	IL
Aircraft 1
Controlling Facilities	artcc : zau
Route In Use	enroute airway : zau
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
ASRS Report	149391
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	other
Consequence	Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	other
Situations
ATC Facility	other physical facility

Narrative:

On 6/90, the transmitter/receiver panel malfunctioned. The technicians tightened screws and cleaned connections. But the unit wasn't found to be faulty until today when the unit was replaced because the receiver failed again! This occurred at the fremont high sector 126.25 MHZ. There were aircraft on the frequency at the time it failed.

Original NASA ASRS Text

Title: ARTCC RADAR CTLR'S TRANSMITTER RECEIVER PANEL FAILED.

Narrative: ON 6/90, THE XMITTER/RECEIVER PANEL MALFUNCTIONED. THE TECHNICIANS TIGHTENED SCREWS AND CLEANED CONNECTIONS. BUT THE UNIT WASN'T FOUND TO BE FAULTY UNTIL TODAY WHEN THE UNIT WAS REPLACED BECAUSE THE RECEIVER FAILED AGAIN! THIS OCCURRED AT THE FREMONT HIGH SECTOR 126.25 MHZ. THERE WERE ACFT ON THE FREQ AT THE TIME IT FAILED.

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.