What was found
AMBER CAS RT ENG EXCEEDANCE PRIOR TO TAKEOFF. ATMOSPHERIC CONDITIONS ON THE GND WERE PRODUCING FREEZING FOG. TEMP DEW POINT -3C -3C. ENG INDICATIONS DURING START & TAXI WERE NORMAL, ENG ANTI-ICE ON. AS PILOT ADVANCED THROTTLES FOR TAKEOFF, EXPERIENCED NOTICEABLE VIBRATION & CAS MSG. RETARDED THROTTLE, CAS MSG EXTINGUISHED. THROTTLES NOT ADVANCED BEYOND ABOUT 1-1/2 TO 2 KNOB WIDTHS. EVM INDICATED ON BOTH LP & HP RT ENG ONLY. LT ENG EVM INDICATED ZERO. VISUALLY INSPECTED RT ENG NOSE COWL, FAN BLADES & NOSE CONE FOR DISCREPANCIES, NO ABNORMALITIES FOUND. STARTED APU & ENGS IAW AMM 49-00-00 & 71-00-00, MONITORING ENGS EVM PARAMETERS DURING START SEQUENCE & WITH ENGS AT IDLE, FOUND VALUES WITHIN TOLERANCE & IAW COCKPIT EVM DATA CARD. TAXIED ACFT TO RUN UP POSITION & PERFORMED RT ENG TEST 6, VIBRATION SURVEY IAW AMM 71-00-00. NO EXCEEDANCE NOTICED, FOUND VALUES HIGHER THAN LT ENG, BUT WITHIN TOLERANCES & AGREES WITH THOSE BEEN RECORDED ON THE COCKPIT EVM RECORD CARD. FOUND TEST SATISFACTORY, NO MORE ACTION REQUIRED.