Now the full info is in the web.
El MD-82 accidentado en Barajas no llevaba desplegados los flaps y el sistema de alarma no funcionó en CADENASER.com
The previous incident is in Detrioit in 1987. This is where the recommendation comes from.
They mentioned air/ground mode, but didn't make any sense (jounalists...) and there seems to be evidence that the FDR recorded 0 degrees of the flaps/slats in all the operation from the gate.
Also, says that the crew (maybe..) revised the system from barcelona, but not from madrid....
Greetings....