A320 FLEX Temp in FMA show 1 degree lower than Temp setted in MCDU
Hi all!
Please help me ,i'm doing my training to become F/o of the AIRBUS A320/1, just only have 70 flying hrs on this type.Normally our airlines (Vietnam airlines) has take off chart to find out speed for t/o,flex temp base on the weight,config,wind.But usually on A320( QUITE OLD SERIES),when i set flex( for ex 67 degree) in to MCDU page PERF, then during take of roll,when i set Power Liver to FLEX/MCT position,the FMA appear MAN FLEX 66 ( 1 DEGREE less than the number i set in MCDU during prepairation).I don't know why ?.Thanks for reading my question,enjoy your flights.HOpe to see your answer soon