What was found
NR 3 FUEL GAGE ERRONEOUS INDICATION, AT T/O SHOWED 11.1, SHORTLY INTO FLIGHT GAGE DROPPED 5K LBS. AT CRUISE FLT BOOST PUMPS ILLUMINATED. UPON LANDING AT KFSD, NR 3 FUEL QTY SHOWED EMPTY. ACFT RELEASED FOR SERVICE PER MEL/CDL: 28-11-02. FOUND NR 3 INDICATOR VERY ERATIC. REMOVED AND REPLACED NR 3 FUEL QTY IND. (CLOSED)