Reporter experiences loss of separation and TCASII RA with another IFR aircraft.

Attributes
ACN	303387
Time
Date	199504
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : mem
State Reference	TN
Altitude	msl bound lower : 12000 msl bound upper : 12000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zme
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	descent other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 180 flight time total : 13000 flight time type : 8000
ASRS Report	303387
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : required legal separation other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	faa : reviewed incident with flight crew Other
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error

Narrative:

TCASII resolution on descent. Traffic maintained visual separation and passed off to left of aircraft. Lack of separation was caused by ZME issuing a clearance that we advised them that we would be unable to comply with.

Original NASA ASRS Text

Title: RPTR EXPERIENCES LOSS OF SEPARATION AND TCASII RA WITH ANOTHER IFR ACFT.

Narrative: TCASII RESOLUTION ON DSCNT. TFC MAINTAINED VISUAL SEPARATION AND PASSED OFF TO L OF ACFT. LACK OF SEPARATION WAS CAUSED BY ZME ISSUING A CLRNC THAT WE ADVISED THEM THAT WE WOULD BE UNABLE TO COMPLY WITH.

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.