What was found
DURING CLIMBOUT AT APPROXIMATELY 22000 FEET AT 240-250 KNOTS BOTH ENGINES SPOOLED DOWN APPROX 5-10 DEGREES FOLLOWED BY NOTICABLE THRUST INCREASE. THE AIRCRAFT WAS REMOVED FROM SERVICE. ACCOMPLISHED FLIGHT DATA RECORDER DATA DOWNLOAD IAW AE WORK CARD 31-700-05. NO FAULTS FOUND ON DATA REPORT. PERFORMED POWER RUN’S ON BOTH ENGINES WITH BOTH FADECS IAW EMB 145 AMM 71-00-00. NO DEFECTS NOTED. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.