A319 captain reported encountering wake turbulence on arrival into dfw.

Attributes
ACN	1591466
Time
Date	201811
Local Time Of Day	0001-0600
Place
Locale Reference	DFW.Airport
State Reference	TX
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	A319
Operating Under FAR Part	Part 121
Flight Phase	Initial Approach
Flight Plan	IFR
Aircraft 2
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Total 27200
Events
Anomaly	Inflight Event / Encounter Wake Vortex Encounter

Narrative:

Encountered short term aircraft wake turbulence during vectors for approach that caused a roll rate requiring momentary manual autopilot disconnect to fly out of. ATC frequency was too congested to make a notification. Landing was uneventful.

Original NASA ASRS Text

Title: A319 Captain reported encountering wake turbulence on arrival into DFW.

Narrative: Encountered short term aircraft wake turbulence during vectors for approach that caused a roll rate requiring momentary manual autopilot disconnect to fly out of. ATC frequency was too congested to make a notification. Landing was uneventful.

Data retrieved from NASA's ASRS site 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.