Crash-aerien 17 MAY 2012 d'un ATR 72-212A (ATR 72-500) I-ADCD - München-Franz Josef Strauss Airport (MUC)
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Statuts:Accident investigation report completed and information captured
Date:jeudi 17 mai 2012
Heure:14:03
Type/Sous-type:Silhouette image of generic AT75 model; specific model in this crash may look slightly different
ATR 72-212A (ATR 72-500)
Compagnie:Air Dolomiti
Immatriculation: I-ADCD
Numéro de série: 664
Année de Fabrication: 2001-04-17 (11 years 1 months)
Heures de vol:20333
Cycles:20450
Moteurs: 2 Pratt & Whitney Canada PW127F
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 58
Total:victimes: 0 / à bord: 62
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:München-Franz Josef Strauss Airport (MUC) (   Allemagne)
Phase de vol: A l'atterrissage (LDG)
Nature:Transport de Passagers Intern.
Aéroport de départ:München-Franz Josef Strauss Airport (MUC/EDDM), Allemagne
Aéroport de destination:Venice-Marco Polo Airport (VCE/LIPZ), Italie
Numéro de vol:LH1912
Détails:
An ATR 72-500 passenger plane sustained damage in a runway excursion accident at München-Franz Josef Strauss Airport (MUC), Germany. There were 58 passengers and four crew members on board. Six passengers sustained minor injuries.
Lufthansa subsidiary Air Dolomiti operated flight LH1912 from Munich to Venice, Italy. The flight departed at 13:34. Shortly after takeoff smoke was reported in the cabin. The captain decided to return to Munich.
After receiving clearance to descend to FL110, engine power was reduced. At that time the flight crew noted a Master Caution alert and a fire warning for engine no.2. The pilots fired the extinguishing bottle in engine no.2 and proceeded to shut it down.
The descent was continued while the flight crew worked the appropriate checklists.
After landing on runway 26L, the ATR 72 began turning left until it ran off the side of the runway. The airplane went into the grass and came to rest with the nose gear collapsed.

Probable Cause:

It was found that the engine failure was caused by a broken turbine blade in the second stage of the power turbine [PT-2]. The turbine blade above the root in the area of the wing had fractured due to fatigue fracture followed by residual fracture due to tensile overload.
It was also found that the Travel Limiter Unit (TLU), which limits the travel of the rudder, was in high-speed mode and could only be moved to a limited extent.

Accident investigation:

cover
Investigating agency: BFU Germany
Status: Investigation completed
Duration: 8 years and 3 months
Accident number: BFU AX002-12
Download report: Final report

Sources:
» Focus.de


Photos

photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD
photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD
photo of ATR-72-500-I-ADCD
accident date: 17-05-2012
type: ATR 72-500
registration: I-ADCD
 

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 München-Franz Josef Strauss Airport et Venice-Marco Polo Airport est de 317 km (198 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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