Evasive action taken by 2 aircraft on vectors to final approach. Possible system error.

Attributes
ACN	283616
Time
Date	199409
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dfw
State Reference	TX
Altitude	msl bound lower : 4000 msl bound upper : 4000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other descent : approach
Route In Use	enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	MD-88
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other descent : approach
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : atp
Experience	flight time last 90 days : 210 flight time total : 12400 flight time type : 2400
ASRS Report	283616
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : clearance non adherence : required legal separation other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 0 vertical : 1000
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Error Pilot Deviation
Situations
ATC Facility	procedure or policy : unspecified

Narrative:

When vectored onto final course for runway 17R. Another md- 88 was being vectored to runway 18R through our path to the runway. We had to pull up and the other md-88 had to push over to avoid each other by about 1000 ft.

Original NASA ASRS Text

Title: EVASIVE ACTION TAKEN BY 2 ACFT ON VECTORS TO FINAL APCH. POSSIBLE SYS ERROR.

Narrative: WHEN VECTORED ONTO FINAL COURSE FOR RWY 17R. ANOTHER MD- 88 WAS BEING VECTORED TO RWY 18R THROUGH OUR PATH TO THE RWY. WE HAD TO PULL UP AND THE OTHER MD-88 HAD TO PUSH OVER TO AVOID EACH OTHER BY ABOUT 1000 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.