Pilot reported that an engine cowl popped open during takeoff; resulting in a return to the airport.

Attributes
ACN	1749108
Time
Date	202007
Local Time Of Day	0601-1200
Place
Locale Reference	SNA.Tower
State Reference	CA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Beechcraft Single Piston Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Takeoff
Route In Use	Vectors SID MUSEL8
Flight Plan	IFR
Component
Aircraft Component	Cowling/Nacelle Fasteners Latches
Person 1
Function	Single Pilot Pilot Flying
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Private
Experience	Flight Crew Last 90 Days 30 Flight Crew Total 1400 Flight Crew Type 1100
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy

Narrative:

During standard takeoff following a B737; engine cowl cover came unlatched and popped open. No event. Notified tower; entered right downwind and cleared to land. Returned to airport; landed and verified latched. Subsequent take-off uneventful.

Original NASA ASRS Text

Title: Pilot reported that an engine cowl popped open during takeoff; resulting in a return to the airport.

Narrative: During standard takeoff following a B737; engine cowl cover came unlatched and popped open. No event. Notified tower; entered right downwind and cleared to land. Returned to airport; landed and verified latched. Subsequent take-off 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.