As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE NP FLUCUATIONS ON TAKEOFF POWER UP BETWEEN 92 AND 96 PERCENT. BOTH ANALOG AND DIGITAL GAUGES SHOWED NP FLUCTUATIONS. (FLT 5415) CLEANED CONNECTOR ON LEFT NP PROBE AND SWAPPED INDICATOR CONNECTOR FROM SIDE TO SIDE. RAN ENGINES AND OPS CHECKED GOOD.