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Last updated: 25 January 2022
Statuts:Enquête Officielle
Date:dimanche 29 septembre 2013
Heure:21:01
Type/Sous-type:Silhouette image of generic A320 model; specific model in this crash may look slightly different
Airbus A320-216
Compagnie:Alitalia
Immatriculation: EI-EIB
Numéro de série: 4249
Année de Fabrication: 2010-03-16 (3 years 7 months)
Heures de vol:7974
Cycles:6010
Moteurs: 2 CFMI CFM56-5B6/3
Equipage:victimes: 0 / à bord: 6
Passagers:victimes: 0 / à bord: 151
Total:victimes: 0 / à bord: 157
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Roma-Fiumicino Airport (FCO) (   Italie)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Intern.
Aéroport de départ:Madrid-Barajas Airport (MAD/LEMD), Espagne
Aéroport de destination:Roma-Fiumicino Airport (FCO/LIRF), Italie
Numéro de vol:AZ063
Détails:
An Airbus A320-216 operated by Alitalia suffered substantial damage in a landing accident at Roma-Fiumicino Airport (FCO), Italy. Flight 063 departed Madrid, Spain on a regular passenger flight to Rome-Fiumicino.
While on approach to runway 16L at Rome-Fiumicino Airport at 20:10 the crew attempted to lower the undercarriage. A Master Warning sounded and the ECAM showed a message "L/G GEAR NOT DOWNLOCKED". The crew carried out a missed approach procedure and entered a holding pattern at the Campagnano VOR. A g-force manoeuvre was carried out with the landing gear lever down. This resulted in a maximum value of 1.75g, according to DFDR data. When this attempt failed, they tried to recycle the landing gear and later again a gravity extension, but all measures were unsuccessful.
Consequently, the crew requested an emergency landing at Rome-Fiumicino Airport.
The aircraft touched down on runway 16L at 21.01with the right landing gear only partially extended. The flight crew shut down both engines just before touchdown. The subsequent evacuation was uneventful and there were no injuries.

Probable Cause:

CAUSES (translated from Italian):
The cause of the event is attributable to the failure of the right hand undercarriage actuator. In the same, there was a hydraulic block caused by multiple debris found within the actuator itself (as well as in the hydraulic fluid), presumably in the restrictor zone. The origin of this debris was identified in the material from the two elements called "spirolox ring" and "damping rings" found missing from their design position.
This failure seems to result in a defect in the design of the "spirolox ring", the effect of which has resulted in premature deterioration and subsequent fall of the same element, resulting in internal damage found during the actuator analysis.

Accident investigation:
cover
Investigating agency: ANSV
Status: Investigation completed
Duration: 3 years
Accident number: EI-EIB
Download report: Final report

Sources:
» ANSV


Opérations de secours

ANSV issued 5 Safety Recommendations
EASA issued 1 Airworthiness Directive

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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 Madrid-Barajas Airport et Roma-Fiumicino Airport est de 1321 km (826 miles).

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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