ZDC controller lost separation with 2 aircraft in different holding patterns.

Attributes
ACN	578003
Time
Date	200303
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : ilm.airport
State Reference	NC
Altitude	msl single value : 37000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise : holding
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zdc.artcc
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	cruise : holding
Flight Plan	IFR
Person 1
Affiliation	government : faa
Qualification	controller : radar
Experience	controller radar : 17 controller time certified in position1 : 3 controller time certified in position2 : 2
ASRS Report	578003
Person 2
Affiliation	government : faa
Function	controller : radar
Events
Anomaly	conflict : airborne critical non adherence : required legal separation
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Consequence	faa : investigated
Miss Distance	horizontal : 9000 vertical : 100
Supplementary
Problem Areas	ATC Human Performance
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

2 aircraft were in hold at 2 different fixes when we became aware of their close proximity and took action.

Original NASA ASRS Text

Title: ZDC CTLR LOST SEPARATION WITH 2 ACFT IN DIFFERENT HOLDING PATTERNS.

Narrative: 2 ACFT WERE IN HOLD AT 2 DIFFERENT FIXES WHEN WE BECAME AWARE OF THEIR CLOSE PROX AND TOOK ACTION.

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.