Narrative:

About 300 ft. Engine [rolled] back to about half power for 2 1/2 seconds then came back to full power. I turned right to the nearest runway [and] landed safely.

Google
 

Original NASA ASRS Text

Title: PA28 pilot reported executing an immediate landing after experiencing loss of power shortly after takeoff that lasted a few seconds.

Narrative: About 300 ft. engine [rolled] back to about half power for 2 1/2 seconds then came back to full power. I turned right to the nearest runway [and] landed safely.

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.