What was found
AT ABOUT 3000 ON APPROACH, NR 2 TORQUE GAUGE DID A MOMENTARY WILD SWING. PUSHED EVENT MARKER. ENGINE PERFORMANCE DID NOT CHANGE, JUST SAW A SWING IN TORUE GAUGE INDICATION. NO RELATED FAULTS CODES IN CDS. DUE TO RECENT HISTORY OF NR 2 TORQUE GAUGE ISSUES, R & R NR 2 FADEC AS A PRECAUTIONARY MEASURE, REF AMM TASKS 73-21-01-000/400-801. ALSO REF W/O 202580. OPS CHECKS GOOD. GROUND RUN ACFT AT DIFFERENT POWER SETTINGS, COULD NOT DUPLICATE LOG ENTRY. ALL TORQUE INDICATIONS NORMAL. ACFT OK FOR CONTINUE SERVICE.