As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 ENGINE N2 STUCK AT 96%. SHUTDOWN ENGINES AFTER LANDING AND THE NEEDLE REMAINED AT 96%. ALL OTHER ENGINE INDICATIONS WERE NORMAL. A TEST FLIGHT EVAL FOUND BOTH NR AND #1 N2 NEEDLES ON TRIPLE TACH WERE INTERMITTENT. REMOVED AND REPLACED TRIPLE INDICATOR IAW AMM 77-14-00, 4-1. MOC OKAY.