An airbus A319 on takeoff roll rejected the takeoff at low speed due to uncommanded left steering input caused by malfunctioning steering system component.

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Attributes
ACN	492714
Time
Date	200011
Day	Wed
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : clt.airport
State Reference	NC
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : clt.tower
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	ground : takeoff roll
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 : 20000 flight time type : 800
ASRS Report	492714
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : rejected takeoff
Consequence	other other
Supplementary
Problem Areas	Airport Environmental Factor Aircraft
Primary Problem	Aircraft

Narrative:

Uncommanded movement of nosewheel steering caused aircraft to veer off to left during beginning of takeoff roll. Takeoff was aborted/rejected. Equipment called out to inspect aircraft. Nothing unusual noted. Returned to gate. Flight was then canceled. Maintenance suspects nosewheel steering failure with valve, switch, and ctring solenoid.

Original NASA ASRS Text

Title: AN AIRBUS A319 ON TKOF ROLL REJECTED THE TKOF AT LOW SPD DUE TO UNCOMMANDED L STEERING INPUT CAUSED BY MALFUNCTIONING STEERING SYS COMPONENT.

Narrative: UNCOMMANDED MOVEMENT OF NOSEWHEEL STEERING CAUSED ACFT TO VEER OFF TO L DURING BEGINNING OF TKOF ROLL. TKOF WAS ABORTED/REJECTED. EQUIP CALLED OUT TO INSPECT ACFT. NOTHING UNUSUAL NOTED. RETURNED TO GATE. FLT WAS THEN CANCELED. MAINT SUSPECTS NOSEWHEEL STEERING FAILURE WITH VALVE, SWITCH, AND CTRING SOLENOID.

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.