Air carrier X aircraft equipment problem TCASII had erroneous TCASII TA over balance.

Attributes
ACN	228408
Time
Date	199212
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : bal
State Reference	MD
Altitude	msl bound lower : 10000 msl bound upper : 10000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dca
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Route In Use	enroute : direct
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	controller : approach
Qualification	controller : radar
Experience	controller military : 4 controller radar : 8
ASRS Report	228408
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : unspecified
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Air carrier X reported a TCASII target over the balance VOR. I informed him there was no observed traffic in his area. This one of numerous reports of inaccurate TCASII targets over balance throughout the day.

Original NASA ASRS Text

Title: ACR X ACFT EQUIP PROB TCASII HAD ERRONEOUS TCASII TA OVER BAL.

Narrative: ACR X RPTED A TCASII TARGET OVER THE BAL VOR. I INFORMED HIM THERE WAS NO OBSERVED TFC IN HIS AREA. THIS ONE OF NUMEROUS RPTS OF INACCURATE TCASII TARGETS OVER BAL THROUGHOUT THE DAY.

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.