ATC equipment problem communication icss position failure because of maintenance technician error.

Attributes
ACN	287278
Time
Date	199410
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : cmh
State Reference	OH
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : ewr
Person 1
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Experience	controller radar : 10
ASRS Report	287278
Person 2
Affiliation	government : faa
Function	other personnel other
Qualification	other other : other
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : unable
Consequence	faa : investigated
Supplementary
Primary Problem	Navigational Facility
Air Traffic Incident	other

Narrative:

During slow period position failure of icss -- communication package. 2 days to fix. Later discovered that it was possible for total facility failure due to maintenance. Mistake of putting wrong circuit boards in wrong slots.

Original NASA ASRS Text

Title: ATC EQUIPMENT PROB COM ICSS POS FAILURE BECAUSE OF MAINT TECHNICIAN ERROR.

Narrative: DURING SLOW PERIOD POS FAILURE OF ICSS -- COM PACKAGE. 2 DAYS TO FIX. LATER DISCOVERED THAT IT WAS POSSIBLE FOR TOTAL FACILITY FAILURE DUE TO MAINT. MISTAKE OF PUTTING WRONG CIRCUIT BOARDS IN WRONG SLOTS.

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.