Air carrier on arrival has TCASII RA. Climbs.

Attributes
ACN	192591
Time
Date	199110
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : dfw
State Reference	TX
Altitude	msl bound lower : 11000 msl bound upper : 11800
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : n90
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	cruise other descent other
Route In Use	arrival other enroute airway : zfw
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : flight engineer pilot : commercial pilot : cfi
Experience	flight time last 90 days : 90 flight time total : 3200 flight time type : 75
ASRS Report	192591
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
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	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	other

Narrative:

On flight den to dfw, while on the arrival at 11000 ft, a RA on TCASII commanded a climb of 1000 FPM. Center had called 1 target which we saw at 1 O'clock but this was a different target. I rapidly climbed to about 11800 ft before starting back down. #1 flight attendant reported an medium large transport passing below us, close! Neither the captain nor I a jump seating controller (den center) saw the target aircraft. The conflict occurred just prior to a turn with altitude/airspeed/DME restrictions. Center later said that he did not show it as a conflict. Our TCASII saw it otherwise.

Original NASA ASRS Text

Title: ACR ON ARR HAS TCASII RA. CLBS.

Narrative: ON FLT DEN TO DFW, WHILE ON THE ARR AT 11000 FT, A RA ON TCASII COMMANDED A CLB OF 1000 FPM. CENTER HAD CALLED 1 TARGET WHICH WE SAW AT 1 O'CLOCK BUT THIS WAS A DIFFERENT TARGET. I RAPIDLY CLBED TO ABOUT 11800 FT BEFORE STARTING BACK DOWN. #1 FLT ATTENDANT RPTED AN MLG PASSING BELOW US, CLOSE! NEITHER THE CAPT NOR I A JUMP SEATING CTLR (DEN CENTER) SAW THE TARGET ACFT. THE CONFLICT OCCURRED JUST PRIOR TO A TURN WITH ALT/AIRSPD/DME RESTRICTIONS. CENTER LATER SAID THAT HE DID NOT SHOW IT AS A CONFLICT. OUR TCASII SAW IT OTHERWISE.

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.