In a securities filing, the company known as Petrobras said on Wednesday that a new governance model will lead to a 43 percent reduction in 5,300 jobs with diverse non-operational responsibilities. Petrobras is cutting costs, reducing capital spending and selling assets to stem the impact of slumping oil prices and the probe, which partially curtailed access to financing. ($1 = 3.6040 Brazilian reais) (Reporting by Guillermo Parra-Bernal)