What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Brakes failed while taxiing on taxiway "a" at geu. Aircraft departed taxiway and came to rest 10 feet off the runup area in the dirt. The nose gear strut buckled and propeller struck the ground. Subsequent inspection revealed the brake master cylinder piston had failed to completely return to the retracted position therefore, not allowing brake fluid to fill the cylinder.
As the FAA filed it
(-23) BRAKES FAILED WHILE TAXIING ON TAXIWAY "A" AT GEU. AIRCRAFT DEPARTED TAXIWAY AND CAME TO REST 10 FEET OFF THE RUNUP AREA IN THE DIRT. THE NOSE GEAR STRUT BUCKLED AND PROPELLER STRUCK THE GROUND. SUBSEQUENT INSPECTION REVEALED THE BRAKE MASTER CYLINDER PISTON HAD FAILED TO COMPLETELY RETURN TO THE RETRACTED POSITION THEREFORE, NOT ALLOWING BRAKE FLUID TO FILL THE CYLINDER.