CL65 crew had the stabilizer trim become inoperative in the nose down direction.

Attributes
ACN	479768
Time
Date	200007
Day	Mon
Local Time Of Day	0001 To 0600
Place
Locale Reference	atc facility : zkc.artcc
State Reference	MO
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zkc.artcc
Operator	common carrier : air carrier
Make Model Name	Regional Jet CL65, Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	climbout : vacating altitude
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 240 flight time total : 2600 flight time type : 1000
ASRS Report	479768
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other other spatial deviation
Independent Detector	other flight crewa other flight crewb
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

On a flight from stl to cvg, the stabilizer trim became inoperative on climb out out of stl. The trim failed to function for nose down and constant pressure was needed. Therefore, altitude fluctuated a couple of hundred ft.

Original NASA ASRS Text

Title: CL65 CREW HAD THE STABILIZER TRIM BECOME INOP IN THE NOSE DOWN DIRECTION.

Narrative: ON A FLT FROM STL TO CVG, THE STABILIZER TRIM BECAME INOP ON CLBOUT OUT OF STL. THE TRIM FAILED TO FUNCTION FOR NOSE DOWN AND CONSTANT PRESSURE WAS NEEDED. THEREFORE, ALT FLUCTUATED A COUPLE OF HUNDRED FT.

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.