From 3 December 2010, air-traffic controllers started a process of stopping work, claiming medical reasons. A "pantomime", according to the prosecution.
The anti-corruption prosecutor explained that without knowing the content of the appeals, it was difficult to assess them.
Over half those surveyed thought Urdangarin's sentence was lenient.
Pro-abortion campaigners had disrupted Sunday mass at the Sant Miquel church in Palma in February 2014.
The court said that the prisoner, who was drunk and tied up, had been the victim of "contemptuous and humiliating" degradation.