NHTSA recall 86V088000
Service brakes, hydraulic › Foundation components › Hoses, lines/piping, and fittings
Ford B700 and 1 more
The defect
Buses may have been built with an incorrect type of steel tubing in the intermediate rear service brake lines which may leak or break during application of the brakes. consequence of defect: if a brake line leaked, rear brakes could quit working, increasing stopping distance, which could result in a crash.
The remedy
Replace brake lines.