Illumination of the Fuel Valve Fail Light

Steady or flickering illumination of the fuel valve fail light indicates a failure or impending failure of the fuel system shutoff valve, the light system circuitry, or a component of the system. If this light comes on during takeoff, action is required. The exact procedure to follow varies with each set of circumstances and depends upon ground speed, length of runway, overrun remaining, etc. The following procedures are recommended as guidance in making a decision.

1. ABORT. If the fuel valve fail light illuminates steadily or flickers during ground roll, and sufficient runway or overrun is available, abort the takeoff.

If the fuel valve fail light illuminates steadily or flickers during takeoff and it is not feasible to abort, the following is recommended: 1. Continue takeoff. 2. Land as soon as possible. Do not cycle the fuel system shutoff switch. Cycling the switch may cause the fuel system shutoff valve to close and, if a failure has occurred, it may not reopen. This will cause a flame-out and restart will not be possible.