Originally Posted by
sonicbum
With both reverser inoperative if you do select IDLE REVERSE the FADEC will command an increased N1 which will adversely affect your landing distance as there will be no reverse deployment.
We asked airbus about that and we got a very prompt answer.
The FADEC will increase N1, but only for a very short time, as it will detect the reverser doors not open and go back to normal idle.
Still a bad idea to have this transient increase in thrust.