Pilot/mechanic reported a ground strike of helicopter blade during engine warmup.

Attributes
ACN	1742615
Time
Date	202005
Aircraft 1
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	Parked
Flight Plan	None
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Commercial Flight Crew Multiengine Flight Crew Instrument Flight Crew Flight Instructor
Events
Anomaly	Ground Event / Encounter Ground Strike - Aircraft Ground Event / Encounter Loss Of Aircraft Control

Narrative:

Engine warm up on the ground to change oil. No intention of flight and helicopter never became airborne. During engine warmup; helicopter rolled to the left; and blades contacted the ground. One occupant; no injuries.

Original NASA ASRS Text

Title: Pilot/Mechanic reported a ground strike of helicopter blade during engine warmup.

Narrative: Engine warm up on the ground to change oil. No intention of flight and helicopter never became airborne. During engine warmup; helicopter rolled to the left; and blades contacted the ground. One occupant; no injuries.

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.