What was found
RED ENGINE VIBRATION R CAS MSG POSTED REPEATEDLY FOR A FEW SECONDS EACH TIME AND THEN DISAPPEARED ( N1 96.3 , N2 95.4, FL 360, SAT -52*C , RAT -25*C , ISA +3) CRUISE PWR WAS SET. NO VIBRATION WAS EVER EXPERENCED. REPLACED ENGINE HARNESS WIRE PINS AND SOCKETS IAW WDM 20-10-01. ENGINE VIBRATION CHECK AND OPS CHECKS GOOD.