Incident grave de l'ATR72 immatriculé PP-PTQ exploité par Passaredo Transportes Aereas le 21/03/2017 à Sao Paulo [Enquête menée par CENIPA / Brésil]

Données préliminaires issues de la notification des autorités du Brésil :

During an Instrument Landing System approach to runway 09R, at 5,500 ft, with the autopilot (AP) engaged, the aircraft tended to maintain the left turn after intercepting the final approach course. The crew disengaged the AP and noticed that the aileron control was not aligned. The left turn tendency remained during the whole approach even with the AP disengaged. The aircraft was sent to maintenance, where the personnel found the release of the AP servo actuator cable (pn 7002260-722).