Pilots reported an uncommanded yaw at vr.

Attributes
ACN	1748350
Time
Date	202006
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Route In Use	Vectors
Flight Plan	IFR
Component
Aircraft Component	FCC (Flight Control Computer)
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 49.17
Person 2
Function	First Officer Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Inflight Event / Encounter Loss Of Aircraft Control

Narrative:

At vr; approximately 137 knots; aircraft had a pronounced right yaw lasting briefly. There were no gusts at the time and no pilot input to the rudder. This pronounced yaw lasted about 2 seconds and then ended with the aircraft stable afterwards. Rest of climb out; level off and descent into ZZZ was uneventful regarding this issue. Called maintenance enroute; plus submitted a report. In addition; mechanics met the aircraft in ZZZ to discuss.

Original NASA ASRS Text

Title: Pilots reported an uncommanded yaw at Vr.

Narrative: At Vr; approximately 137 knots; aircraft had a pronounced right yaw lasting briefly. There were no gusts at the time and no pilot input to the rudder. This pronounced yaw lasted about 2 seconds and then ended with the aircraft stable afterwards. rest of climb out; level off and descent into ZZZ was uneventful regarding this issue. Called maintenance enroute; plus submitted a report. In addition; mechanics met the aircraft in ZZZ to discuss.

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.