As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 3539 - DURING TAKEOFF, THE RIGHT ENGINE PROPELLER RPM INDICATOR DROPPED TO ZERO. TAKEOFF WAS ABORTED AND AIRCRAFT RETURNED TO GATE. THE INDICATOR WAS REPLACED WITH A SATISFACTORY GROUND RUN PERFORMED. AIRCRAFT RETURNED TO SERVICE. (X)