A crj level at FL270 received a TCASII RA from an A319 on converging course descending through FL286...

Attributes
ACN	556430
Time
Date	200208
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : mcw.vortac
State Reference	IA
Altitude	msl single value : 27000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet 200 ER&LR
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Aircraft 2
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	descent : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	government : faa
Function	controller : radar
Qualification	controller : radar
Experience	controller radar : 10.5
ASRS Report	556430
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Events
Anomaly	conflict : airborne less severe non adherence : published procedure other anomaly other
Independent Detector	atc equipment other atc equipment : radar/mode c other controllera other flight crewa other flight crewb
Resolutory Action	controller : separated traffic flight crew : took evasive action
Miss Distance	horizontal : 30000 vertical : 1500
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Aircraft #1 was eastbound FL270. Aircraft #2 was nwbound, descending to FL280. Aircraft #2 was aprox 5-10 mi away from aircraft #1, descending out of FL286, when aircraft #1 advised he received an RA and was descending to FL250. Traffic was called and observed by aircraft #1. Aircraft #1 climbed to FL270.

Original NASA ASRS Text

Title: A CRJ LEVEL AT FL270 RECEIVED A TCASII RA FROM AN A319 ON CONVERGING COURSE DSNDING THROUGH FL286 FOR FL280 NEAR MCW.

Narrative: ACFT #1 WAS EBOUND FL270. ACFT #2 WAS NWBOUND, DSNDING TO FL280. ACFT #2 WAS APROX 5-10 MI AWAY FROM ACFT #1, DSNDING OUT OF FL286, WHEN ACFT #1 ADVISED HE RECEIVED AN RA AND WAS DSNDING TO FL250. TFC WAS CALLED AND OBSERVED BY ACFT #1. ACFT #1 CLBED TO FL270.

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.

A crj level at FL270 received a TCASII RA from an A319 on converging course descending through FL286 for FL280 near mcw.