sentences:  The Brazilian airport operating company, Infraero, at first indicated the possibility of five survivors, but a later statement from the Brazilian Air Force, based on data collected by their personnel who rappelled to the crash site, and local police who assisted in the SAR effort, confirmed that there were no survivors.Brazilian President Luiz Inácio Lula da Silva declared three days of national mourning.The FDR and a non-data part of the CVR from the Boeing 737 were found on 2 October 2006 and handed over to the investigators, who sent them to the TSB for analysis.