As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT NOTICED 2 PERCENT FLUCTUATION ON NR 1 N 1 GAUGE AND FLUCTUATIONS ON NR 1 TORQUE GAUGE CONTINUED UNTIL SHUTDOWN. MAINTENANCE R & R LT BETA BLOCK AND RIGGED BETA VALVE LOW PITCH STOP PER MM 76-10-00. MAINTENANCE ADDITIONALLY R & R TACH GENERATOR IAW MM 77-10-00. MAINTENANCE ADDITIONALLY R & R N1 GAUGE IAW MM 31-10-00. ALL OPERATIONAL CHECKS WERE GOOD.