An Azul Linhas Aereas Airbus A320-200N, registration PR-YRD performing flight AD-4334 from Sao Paulo Viracopos,SP to Recife,PE (Brazil) with 123 passengers and 6 crew, was enroute when the crew received indication, that the yellow hydraulic system had failed with low quantity and low pressure. The crew worked the related checklists and decided to continue the flight to destination, where the aircraft landed safely without requesting urgency or assistance.
The aircraft returned to service about 12 hours after landing.