As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 FUEL FLOW ON ENGINE SYNOPTIC VARIES FROM LOW TO 0.0 TO BLANK TOTAL 8 LESS THAN CALC. NR 1 FUEL FLOW WAS NEAR ZERO AT TIMES. FMC MESSAGE FUEL DISAGREE. EST FUEL REMAINING ARE OFF BY 10000 LBS. CHECKED AND CLEANED FUEL FLOW TRANSMITTER CONNECTOR. NOTED DURING ENGINE START THAT FUEL FLOW INDICATION INTERMITTENTLY BLANKS. REPLACED FUEL FLOW TRANSMITTER. OPS AND LEAKS CHECKED GOOD.