C172 pilot reported taxiing into another aircraft following brake failure.

Attributes
ACN	1363775
Time
Date	201606
Local Time Of Day	0601-1200
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
Route In Use	None
Flight Plan	None
Component
Aircraft Component	Brake System
Person 1
Function	Single Pilot
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 0 Flight Crew Total 2700 Flight Crew Type 2500
Events
Anomaly	Aircraft Equipment Problem Critical Ground Event / Encounter Aircraft

Narrative:

I was taxi testing the aircraft. I taxied to [the] runway; then turned around and taxied back to the ramp. I lost brakes and taxied into another aircraft. The damage to the other aircraft was minimal; and I broke my taxi light on my left wing.

Original NASA ASRS Text

Title: C172 pilot reported taxiing into another aircraft following brake failure.

Narrative: I was taxi testing the aircraft. I taxied to [the] runway; then turned around and taxied back to the ramp. I lost brakes and taxied into another aircraft. The damage to the other aircraft was minimal; and I broke my taxi light on my left wing.

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.