As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA INFLIGHT T687/03SEP - RIGHT ENGINE SPEED CARD STATUS MESSAGE ILLUMINATED. RIGHT CENTER FUEL LOW PRESSURE AND RIGHT N3 FLUCTUATING 60 TO 80 WITH RIGHT ENGINE BLEED OFF LIGHT. REPLACED N2 SPEED CARD AND N3 TACH GENERATOR. SYSTEM GROUND CHECKED NORMAL OPERATION.