Air carrier has TCASII RA, responds.

Attributes
ACN	227449
Time
Date	199211
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : fwa
State Reference	IN
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : fwa
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport
Flight Phase	cruise other
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 20000
ASRS Report	227449
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : critical altitude deviation : excursion from assigned altitude non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	flight crew : took evasive action
Consequence	faa : reviewed incident with flight crew
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

Cruising at 10000 ft, fwa departure issued traffic approaching us from 2 O'clock at 10000 ft. The traffic was confirmed on TCASII. The altitude indicated 00, closure rate moderate. We could not see the aircraft visually. When the TCASII indicated an RA, first officer initiated a 2000 FPM climb and I advised fwa on 127.2 that we were climbing as directed on the TCASII. Fwa then cleared us to 14000 ft. Moments later fwa advised us that the conflicting traffic was actually level at 14000 ft with a malfunctioning altitude indicating system.

Original NASA ASRS Text

Title: ACR HAS TCASII RA, RESPONDS.

Narrative: CRUISING AT 10000 FT, FWA DEP ISSUED TFC APCHING US FROM 2 O'CLOCK AT 10000 FT. THE TFC WAS CONFIRMED ON TCASII. THE ALT INDICATED 00, CLOSURE RATE MODERATE. WE COULD NOT SEE THE ACFT VISUALLY. WHEN THE TCASII INDICATED AN RA, FO INITIATED A 2000 FPM CLB AND I ADVISED FWA ON 127.2 THAT WE WERE CLBING AS DIRECTED ON THE TCASII. FWA THEN CLRED US TO 14000 FT. MOMENTS LATER FWA ADVISED US THAT THE CONFLICTING TFC WAS ACTUALLY LEVEL AT 14000 FT WITH A MALFUNCTIONING ALT INDICATING SYS.

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.