As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER BEGINNING TAKEOFF ROLL, NR 1 FUEL FLOW SHOWED AMBER X. REJECTED TAKEOFF AT ABOUT 60 TO 70 KTS. FUEL FLOW INDICATING NORMAL AGAIN WHILE TURNING OFF RUNWAY. TROUBLESHOOTING FOUND FUEL LEAK FROM THE FUEL FLOW TRANSMITTER. R & R NE 1 ENGINE FUEL FLOW TRANSMITTER IAW AMM 73-31-02-4-2, FUNCTIONAL TEST OF FUEL FLOW UNIT PASSED IAW AMM 73-31-03, AND LEAK CHECKED GOOD IAW AMM 71-02-03.