As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE TQ FLUCTUATING 10% DOWN AND BACK UP CONSTANTLY THE LAST 20 MINUTES OF FLIGHT. PERFORMED BLEED AIR SYSTEM CHECK. PERFORMED ENGINE RUNS AND HBOV CHECK. REMOVED, CLEANED CONNECTOR ON THE TQ GAUGE AND INSTALLED. OPS CHECK SAT. NO DEFECTS NOTED.