ASN Wikibase Occurrence # 194490
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| Date: | Wednesday 22 March 2017 |
| Time: | |
| Type: |  ATR 72-500 (72-212A) |
| Owner/operator: | Passaredo Transportes Aereos |
| Registration: | PP-PTQ |
| MSN: | 874 |
| Year of manufacture: | 2009 |
| Fatalities: | Fatalities: 0 / Occupants: 59 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | São Paulo-Guarulhos International Airport, SP (GRU/SBGR) -
 Brazil
|
| Phase: | Approach |
| Nature: | Passenger - Scheduled |
| Departure airport: | Ribeirão Preto-Leite Lopes Airport, SP (RAO/SBRP) |
| São Paulo-Guarulhos International Airport, SP (GRU/SBGR) | |
| Investigating agency: | CENIPA |
| Confidence Rating: |  Accident investigation report completed and information captured |
During an Instrument Landing System approach to São Paulo-Guarulhos International Airport's 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).
Contributing factors.
- Project – undetermined.
Considering that all records related to scheduled maintenance and scheduled checks for the aircraft systems pertinent to the Servo Drive and the control cables connected to them had been carried out, it was concluded that, until the moment of the occurrence, the planned maintenance as executed could not reduce the possibility of an event of that nature occurring
Thus, since the mechanism that led to the failure of the PP-PTQ aircraft's control cable was only identified through examinations with optical and electronic equipment (Stereoscope and SEM), it is possible that the inspections programmed by the manufacturer were not the most appropriate method for determining whether these components remain in service or not.
Accident investigation:
 |
|
Sources:
https://www.bea.aero/en/investigation-reports/notified-events/detail/event/serious-incident-to-the-atr72-registered-pp-ptq-operated-by-passaredo-transportes-aereos-on-210320/
History of this aircraft
Other occurrences involving this aircraft
| 10 September 2013 | PP-PTQ | TRIP Linhas Aéreas | 0 | João Pessoa, PB | |
non |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Mar-2017 19:14 | harro | Added |
| 07-Aug-2021 17:48 | harro | Updated [Date, Total occupants, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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