If the wing tanks had fuel, and the nose tank was getting low, then the fuel pump system hahs failed - or partially so...
Could be plugged screen in the pump failed pump - diaphragm, etc, or_ if you just annualed the airplane aand performed the AD pon the pump - and I have seen this happpen many times - the top of the pump was not tightened properly, letting the pump suck in air..... Torque it properly - see the AD... It appears thart this AD is necessary to prevent pump failure from water being trapped in the pume and freezing - destroying yhe pump, or other things associated with water in the fuel --- BUT if the pump top cover is not torqued properly, it will suck in ait instead of fuel, and you'll shortly be limited on your cross country to the cowl tank, regardless of the fuel in the wings..... Fly Safe - have fun Harry
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