What was found
PILOT REPORTED, DURING TAKEOFF ROLL RT RPM GAUGE DROPPED TO ZERO. MAINTENANCE RAN RIGHT ENGINE ON GROUND. OPS CHECK GOOD, SWAPPED GAUGES, P/N 10223N01R00, S/N ON RIGHT NOW IS 150 AND S/N ON LEFT IS 113. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTED, DURING TAKEOFF ROLL RT RPM GAUGE DROPPED TO ZERO. MAINTENANCE RAN RIGHT ENGINE ON GROUND. OPS CHECK GOOD, SWAPPED GAUGES, P/N 10223N01R00, S/N ON RIGHT NOW IS 150 AND S/N ON LEFT IS 113. (M)