<< >> NASA ASRS Report 1401755, November 2016

PA-28R instructor pilot reported the left brake failed just before departure. Takeoff was accomplished after positioning the aircraft with the tow bar.

Attributes
ACN	1401755
Time
Date	201611
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	PA-28R Cherokee Arrow All Series
Operating Under FAR Part	Part 91
Flight Phase	Taxi
Component
Aircraft Component	Normal Brake System
Person 1
Function	Instructor Pilot Not Flying
Qualification	Flight Crew Multiengine Flight Crew Commercial Flight Crew Flight Instructor
Experience	Flight Crew Last 90 Days 212 Flight Crew Total 844
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural FAR

Narrative:

While taxiing to takeoff; we experienced failure of the left brake and ended up having to shut the airplane off. We maneuvered it with a tow bar to a point at which we could properly taxi onto the runway and depart after which we performed a no-brake landing back at ZZZ.

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Original NASA ASRS Text

Title: PA-28R instructor pilot reported the left brake failed just before departure. Takeoff was accomplished after positioning the aircraft with the tow bar.

Narrative: While taxiing to takeoff; we experienced failure of the left brake and ended up having to shut the airplane off. We maneuvered it with a tow bar to a point at which we could properly taxi onto the runway and depart after which we performed a no-brake landing back at ZZZ.

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.