ZID assoc controller is alerted to a loss of separation in his sector when conflict alert alarms.

Attributes
ACN	526990
Time
Date	200110
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : zid.artcc
State Reference	IN
Altitude	msl single value : 23000
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Controlling Facilities	artcc : zid.artcc
Operator	general aviation : corporate
Make Model Name	Citationjet, C525/C526
Operating Under FAR Part	Part 135
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zid.artcc
Operator	general aviation : corporate
Make Model Name	Challenger CL600
Operating Under FAR Part	Part 135
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : developmental
Experience	controller radar : 6 controller time certified in position1 : 4
ASRS Report	526990
Person 2
Affiliation	government : faa
Function	controller : radar
Events
Anomaly	conflict : airborne less severe non adherence : required legal separation non adherence : published procedure
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

I was working d-side at nabb sector. I observed the conflict alert go off.

Original NASA ASRS Text

Title: ZID ASSOC CTLR IS ALERTED TO A LOSS OF SEPARATION IN HIS SECTOR WHEN CONFLICT ALERT ALARMS.

Narrative: I WAS WORKING D-SIDE AT NABB SECTOR. I OBSERVED THE CONFLICT ALERT GO OFF.

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.