Both information are correct: the first call, just after they level off at 3500ft, they report an emergency to Macae Control and asked for ground support at Macae Airport.
The controller asked him what type of emergency and he just said : HYDRAULIC
After that he keep talking at the company’s radio frequency and the situation deteriorated very quickly…he keep saying that the acft was not flyable and we could hear the panic and the screaming at the background as he did keep the PTT pressed at the very last second. Very traumatic for the ones witch makes part of that...