Altitude overshoot account TCAS warning.

Attributes
ACN	163432
Time
Date	199011
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : abi
State Reference	TX
Altitude	msl bound lower : 31000 msl bound upper : 31600
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zfw
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 80 flight time total : 12000 flight time type : 850
ASRS Report	163432
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	aircraft equipment problem : less severe altitude deviation : overshoot conflict : airborne less severe non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

On climb out from dfw, just at level off at FL310 we received a TCAS alert to climb to avoid traffic. We continued to climb about 600' then returned to FL310. We never saw the traffic. The alert may have been false but like GPWS it is better to react than be sorry.

Original NASA ASRS Text

Title: ALT OVERSHOOT ACCOUNT TCAS WARNING.

Narrative: ON CLBOUT FROM DFW, JUST AT LEVEL OFF AT FL310 WE RECEIVED A TCAS ALERT TO CLB TO AVOID TFC. WE CONTINUED TO CLB ABOUT 600' THEN RETURNED TO FL310. WE NEVER SAW THE TFC. THE ALERT MAY HAVE BEEN FALSE BUT LIKE GPWS IT IS BETTER TO REACT THAN BE SORRY.

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.