A320 CRZ FL ABOVE MAX FL fms message....
Does anyone know more about this ?
In cruise ex. FL340 FMS start with this message "FMS 1/FMS 2 SPD TGT DIFF"
with flight plan stored or manully loaded , no difference.
After a period of time "CRZ FL ABOVE MAX FL"
FMS reverts from Max Rec Alt es.365 to Fl325 .
Varius test fron Aid Data Computer or Probes report no item.
Thank you.