Air carrier leveling off receives TCASII RA to descend.

Attributes
ACN	232329
Time
Date	199301
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : brd
State Reference	MN
Altitude	msl bound lower : 27500 msl bound upper : 28000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zmp
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : flight engineer pilot : instrument pilot : commercial pilot : atp
Experience	flight time last 90 days : 230 flight time total : 14000 flight time type : 10000
ASRS Report	232329
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude non adherence : clearance other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Supplementary
Primary Problem	Ambiguous
Air Traffic Incident	other

Narrative:

30 seconds after leveling at FL280 for traffic at FL290, we received a TCASII RA to descend. We left FL280 and descended to 27500 ft. I talked to the other aircraft. He did not receive an RA.

Original NASA ASRS Text

Title: ACR LEVELING OFF RECEIVES TCASII RA TO DSND.

Narrative: 30 SECONDS AFTER LEVELING AT FL280 FOR TFC AT FL290, WE RECEIVED A TCASII RA TO DSND. WE LEFT FL280 AND DSNDED TO 27500 FT. I TALKED TO THE OTHER ACFT. HE DID NOT RECEIVE AN RA.

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.