An airbus A319 flight crew received a GPWS warning 'too low terrain' and ECAM message 'landing gear not down' descending through 10000 ft MSL near far, nd.

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Attributes
ACN	451214
Time
Date	199910
Day	Thu
Local Time Of Day	1201 To 1800
Place
State Reference	ND
Altitude	msl bound lower : 10000 msl bound upper : 12000
Environment
Flight Conditions	IMC
Weather Elements	Rain
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zmp.artcc
Operator	common carrier : air carrier
Make Model Name	A319
Operating Under FAR Part	Part 121
Navigation In Use	other
Flight Phase	cruise : descent cruise : enroute altitude change
Route In Use	enroute airway : j36.airway
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : flight engineer pilot : cfi pilot : atp
Experience	flight time last 90 days : 100 flight time total : 14000 flight time type : 2500
ASRS Report	451214
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : excursion from assigned altitude other anomaly other
Independent Detector	aircraft equipment : gpws other flight crewa other flight crewb
Resolutory Action	flight crew : took precautionary avoidance action
Consequence	other
Supplementary
Problem Areas	Aircraft
Primary Problem	Aircraft

Narrative:

During descent through 10000 ft, 'too low terrain' GPWS warning. ECAM and landing gear not down also indicated a low altitude. We climbed to 12000 ft, advising ATC, who cleared us to 12000 ft. We verified mode C and altimeter setting with ATC, then turned off the GPWS. This was a brand new airplane -- less than 1 week old. Some bugs still existed from acceptance tests, apparently.

Original NASA ASRS Text

Title: AN AIRBUS A319 FLC RECEIVED A GPWS WARNING 'TOO LOW TERRAIN' AND ECAM MESSAGE 'LNDG GEAR NOT DOWN' DSNDING THROUGH 10000 FT MSL NEAR FAR, ND.

Narrative: DURING DSCNT THROUGH 10000 FT, 'TOO LOW TERRAIN' GPWS WARNING. ECAM AND LNDG GEAR NOT DOWN ALSO INDICATED A LOW ALT. WE CLBED TO 12000 FT, ADVISING ATC, WHO CLRED US TO 12000 FT. WE VERIFIED MODE C AND ALTIMETER SETTING WITH ATC, THEN TURNED OFF THE GPWS. THIS WAS A BRAND NEW AIRPLANE -- LESS THAN 1 WK OLD. SOME BUGS STILL EXISTED FROM ACCEPTANCE TESTS, APPARENTLY.

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.