ASN Wikibase Occurrence # 276811
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| Date: | Monday 21 March 2022 |
| Time: | 14:35 UTC |
| Type: |  Piper PA-28-140 Cherokee |
| Owner/operator: | Charlie 0 - Aeronautical Training Center Ltda |
| Registration: | PT-BOK |
| MSN: | 28-24721 |
| Year of manufacture: | 1968 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Bragança Paulista, SP -
 Brazil
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Bragança Paulista Arthur Siqueira State Airport, SP (BJP/SBBP) |
| Bragança Paulista Arthur Siqueira State Airport, SP (BJP/SBBP) | |
| Investigating agency: | CENIPA |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a training flight, while in the instruction area, there was a vibration in the aircraft and a forced landing was performed.
The instructor and student were injured and the aircraft was substantially damaged.
It was determined that the vibration originated from the propeller blade which had a fracture surface with characteristics typical of fatigue. The onset of the fatigue process of the propeller material was facilitated by the presence of a dent, which actuated as a stress concentrator.
Contributing factors.
Aircraft maintenance – undetermined.
The processes for effective verification of the serial numbers of the parts undergoing inspection were not set up in a proper way, allowing errors in the logbooks, and generating unreliable information. Furthermore, the maintenance logbooks were out of date, while other types of documentation contained erasures, and the aircraft underwent painting in an irregular fashion.
Management planning – undetermined.
One observed that the planning of the maintenance activities was not appropriate, allowing gaps (discontinuity) between scheduled inspections. Moreover, the planning of the aircraft's painting process was inadequate, without due attention to the regulations in force, something that may have compromised the airworthiness the airplane.
Managerial oversight – undetermined.
The maintenance logbooks, with outdated information for more than two years in a row, evidenced failure in the supervision of the administrative processes necessary for preserving the reliability of the records. Such state of affairs may have led to the lack of proper inspections of the propeller, and consequent detection of the initial dent of the fracture
Accident investigation:
 |
|
Sources:
https://g1.globo.com/sp/vale-do-paraiba-regiao/noticia/2022/03/21/aviao-monomotor-faz-pouso-forcado-e-deixa-feridos-em-braganca-paulista-sp.ghtml
https://jornalempauta.com.br/aviao-faz-pouso-de-emergencia-em-braganca-e-casal-sofre-ferimentos/
CENIPA
https://cdn.jetphotos.com/full/6/79602_1645386737.jpg (photo)
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2022 07:21 | cleberjc | Added |
| 24-Mar-2022 08:07 | RobertMB | Updated [Time, Operator, Location, Departure airport, Source, Narrative] |
| 27-Mar-2022 18:42 | Captain Adam | Updated [Narrative] |
| 13-Apr-2022 09:56 | harro | Updated [Time, Phase, Destination airport, Source, Narrative] |
| 31-Jan-2024 18:20 | harro | Updated [Other fatalities, Departure airport, Destination airport, Narrative, Accident report] |
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