Originally Posted by owl-attack
... Why can't the Sys B EMDP be used to operate these ( only the Sys B EDP has failed , Sys B EMDP is still working fine) ...
EDPs can have a output of 36 gpm but value of the EMDP is only 5,7 gpm.
The PTU can add 13,7 gpm.
How quick do you want Slat/Flap movement if you are in a Flight Phase that requires Flaps between 0 and 15?