EA32 crew had TCASII RA with climbing B757 in msp class B.

Attributes
ACN	468720
Time
Date	200004
Day	Thu
Local Time Of Day	0601 To 1200
Place
State Reference	MN
Altitude	msl bound lower : 8000 msl bound upper : 9000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	A320
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	descent : intermediate altitude
Route In Use	arrival : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	climbout : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 45 flight time total : 20000 flight time type : 1200
ASRS Report	468720
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	conflict : airborne critical other anomaly other
Independent Detector	aircraft equipment : tcas other flight crewa other flight crewb
Resolutory Action	flight crew : took evasive action
Miss Distance	horizontal : 30000 vertical : 3000
Supplementary
Problem Areas	Airspace Structure ATC Human Performance Flight Crew Human Performance
Primary Problem	Ambiguous

Narrative:

Got TCASII RA on descent/approach into msp due to fast climbing B757. We were level at 8000 ft, climbed to 9000 ft. ATC said the B757 was told to maintain visual separation. Not close -- never saw B757.

Original NASA ASRS Text

Title: EA32 CREW HAD TCASII RA WITH CLBING B757 IN MSP CLASS B.

Narrative: GOT TCASII RA ON DSCNT/APCH INTO MSP DUE TO FAST CLBING B757. WE WERE LEVEL AT 8000 FT, CLBED TO 9000 FT. ATC SAID THE B757 WAS TOLD TO MAINTAIN VISUAL SEPARATION. NOT CLOSE -- NEVER SAW B757.

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.