Narrative:

Chalked left main wheel prior to hand propping the airplane. The plane started with no difficulties. Climbed onto the left wing to verify throttle setting and advance the magnetos from left to both. Climbed down from the wing and removed chalk. After removing the chalk the plane began to roll forward and the hand brake did not hold the plane. Any attempts to stop the airplane from rolling failed. Plane traveled down the alleyway veering to the right and struck the hangars where the plane came to a sudden stop.

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Original NASA ASRS Text

Title: Ercoupe 415 pilot reported the parking brake failed while hand propping the aircraft resulting in the aircraft rolling into a hangar.

Narrative: Chalked left main wheel prior to hand propping the airplane. The plane started with no difficulties. Climbed onto the Left wing to verify throttle setting and advance the magnetos from Left to Both. Climbed down from the wing and removed chalk. After removing the chalk the plane began to roll forward and the hand brake did not hold the plane. Any attempts to stop the airplane from rolling failed. Plane traveled down the alleyway veering to the right and struck the hangars where the plane came to a sudden stop.

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.