What was found
UPON TAXI FOR DEPARTURE THE VARTOMS SYSTEM WAS NOT HOLDING FLI AND THE TWO NEEDLES KEPT FLIP FLOPPING WITH A SPLIT LARGE ENOUGH TO SWITCH THE SYSTEM TO MAN MODE AND THEN IT WOULD GO BACK TO NORM MODE. TRYING TO MANUALLY SET FLI DID NOT FIX ISSUE. T/F - NUMBER 2 ENG HAS FLUCTUATIONS IN TQ, TOT AND N1 WITH NO FLUCTUATIONS NOTED IN EMERGENCY RANGE. FLUCTUATIONS LISTED BELOW FLAT PITCH TQ 50% TQ 60% TQ 70% TQ 4% TQ 5% TQ 7% TQ 1% TOT 10 TOT 15 TOT 10 TOT 5 N1 1.5% N1 1.5% N1 1.3% N1 0.1%. REPLACED #2 ENGINE F.C.U IAW ARIEL 73-21-00-900-801.