Stearman crashes after bolt breaks off in brakes

Probable cause: The failed retaining bolt and cracked backing plate, which resulted in a shift of the brake lining to contact the brake drum and a subsequent wheel lock when the brakes were applied.

Stearman crashes after bolt breaks off in brakes
Probable cause: The failed retaining bolt and cracked backing plate, which resulted in a shift of the brake lining to contact the brake drum and a subsequent wheel lock when the brakes were applied.