Pilot of a cessna 172 reported a brake failure resulting in a taxiway excursion.

Attributes
ACN	1430019
Time
Date	201703
Local Time Of Day	1201-1800
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Skyhawk 172/Cutlass 172
Operating Under FAR Part	Part 91
Flight Phase	Taxi
Flight Plan	VFR
Component
Aircraft Component	Wheels/Tires/Brakes
Person 1
Function	Single Pilot Pilot Flying
Qualification	Flight Crew Multiengine Flight Crew Commercial Flight Crew Instrument
Experience	Flight Crew Last 90 Days 150 Flight Crew Total 660 Flight Crew Type 250
Events
Anomaly	Aircraft Equipment Problem Less Severe Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Taxiway

Narrative:

Taxi out from regional airport. On taxiway charlie to runway; while enroute right brake failed. Aircraft drifted to the left onto the grass. Shutdown aircraft and contact tower to let them know; rescue trucks arrived to help push airplane back onto pavement. Tow tug arrived and tug back to maintenance hangar for repair.

Original NASA ASRS Text

Title: Pilot of a Cessna 172 reported a brake failure resulting in a taxiway excursion.

Narrative: Taxi out from regional airport. On Taxiway Charlie to runway; while enroute right brake failed. Aircraft drifted to the left onto the grass. Shutdown aircraft and contact Tower to let them know; rescue trucks arrived to help push airplane back onto pavement. Tow tug arrived and tug back to maintenance hangar for repair.

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.