What was found
ON TAKEOFF ROLL, MASTER CAUTION CAME ON, REJECTED TAKEOFF, LT FUEL GAUGE ANNUNCIATOR LIGHT ON. CONNECTED TEST SET, FOUND PROBE NR 6 READING LOW. REMOVED NR6 PROBE, CLEANED AND REINSTALLED, PROBE NOW READING IN SAME RANGE AS OTHER PROBES, C/W WET CAL IAW MM CH 28-41-00. OPS CHECKED GOOD. LEAK CHECKED GOOD.