Crash-aerien 16 JUL 2018 d'un Boeing 737-8EH (WL) PR-GGD - Belo Horizonte-Tancredo Neves International Airport, MG (CNF)
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Statuts:Accident investigation report completed and information captured
Date:lundi 16 juillet 2018
Heure:22:00 UTC
Type/Sous-type:Silhouette image of generic B738 model; specific model in this crash may look slightly different
Boeing 737-8EH (WL)
Compagnie:Gol Transportes Aéreos
Immatriculation: PR-GGD
Numéro de série: 34275/2588
Année de Fabrication: 2008
Moteurs: 2 CFMI CFM56-7B27
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 0 / à bord: 136
Total:victimes: 0 / à bord: 142
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Belo Horizonte-Tancredo Neves International Airport, MG (CNF) (   Brésil)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Nat.
Aéroport de départ:São Paulo-Congonhas Airport, SP (CGH/SBSP), Brésil
Aéroport de destination:Belo Horizonte-Tancredo Neves International Airport, MG (CNF/SBCF), Brésil
Détails:
During landing at Belo Horizonte International Airport, Brazil, at the moment of touch down, a loud noise was heard by the cabin crew. The aircraft taxied to the apron, where passengers disembarked normally.
When conducting the post-flight inspection, the maintenance team identified a leakage of hydraulic fluid and a break in the aft trunnion pin of the right main landing gear.

Probable Cause:

Contributing factors.
- Aircraft maintenance - undetermined.
It is possible that, during the process of grinding the chrome layer of the aft trunnion pin SN E4798, excessive wear occurred, which generated heat, burning and weakening of the base metal of the part.
- Design - undetermined.
It is possible that the mandatory inspections provided by the Standard Overhaul Pratices Manual, Grinding of Chrome Plated Parts 10-20-04, item 4, Quality Control, after grinding the chrome layer, did not have the necessary effectiveness to detect a burn in the base metal occurred during an overhaul caused by an excessive grinding on this layer of the Aft Trunnion Pin.
- Support systems - undetermined.
It is possible that the material provided to maintainers to perform the visual inspection tasks did not contains clear procedures and criteria regarding the need to repair the pin.

Accident investigation:

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Investigating agency: CENIPA Brazil
Status: Investigation completed
Duration: 3 years and 4 months
Accident number: A-119/CENIPA/2018
Download report: Final report


Opérations de secours

CENIPA issued 1 Safety Recommendation

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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre São Paulo-Congonhas Airport, SP et Belo Horizonte-Tancredo Neves International Airport, MG est de 522 km (326 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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