Accident
Last updated: 25 October 2014
Statuts:Enquête Officielle
Date:jeudi 5 mai 1983
Heure:09:46
Type/Sous-type:Lockheed L-1011 TriStar 1
Compagnie:Eastern Air Lines
Immatriculation: N334EA
Numéro de série: 1141
Année de Fabrication: 1976
Moteurs: 3 Rolls-Royce RB211-22B
Equipage:victimes: 0 / à bord: 10
Passagers:victimes: 0 / à bord: 162
Total:victimes: 0 / à bord: 172
Dégats de l'appareil: Aucun
Lieu de l'accident:Miami International Airport, FL (MIA) (   Etats-Unis d'Amérique)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:Miami International Airport, FL (MIA/KMIA), Etats-Unis d'Amérique
Aéroport de destination:Nassau International Airport (NAS/MYNN), Bahamas
Détails:
At 08:56 Eastern Air Lines Flight 855 departed Miami International Airport en route to Nassau, Bahamas. About 09:15:15, while descending through 15,000 feet, the low oil pressure light on the TriStar's No. 2 engine illuminated. The No. 2 engine was shut down, and the captain decided to return to Miami to land. The airplane was cleared to Miami and began a climb to FL 200. While en route to Miami, the low oil pressure lights for engines Nos. 1 and 3 illuminated. At 09:28:20, while at 16,000 feet, the No. 3 engine flamed out. At 09:33:20, the No. 1 engine flamed out while the flightcrew was attempting to restart the No. 2 engine. The airplane descended without power from about 13,000 feet to about 4,000 feet, at which time the No. 2 engine was restarted. The airplane made a one-engine landing at Miami International Airport at 09:46. There were no injuries to the occupants.

PROBABLE CAUSE: "The National Transportation Safety Board determines that the probable cause of the accident was the omission of all the O-ring seals on the master chip detector assemblies leading to the loss of lubrication and damage to the airplane's three engines as a result of the failure of mechanics to follow the established and proper procedures for the installation of master chip detectors in the engine lubrication system, the repeated failure of supervisory personnel to require mechanics to comply strictly with the prescribed installation procedures, and the failure of Eastern Air Lines management to assess adequately the significance of similar previous occurrences and to act effectively to institute corrective action.
Contributing to the cause of the accident was the failure of Federal Aviation Administration maintenance inspectors to assess the significance of the incidents involving master chip detectors and to take effective surveillance and enforcement measures to prevent the recurrence of the incidents."

Sources:
» NTSB


Opérations de secours

NTSB issued 9 Safety Recommendations

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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Miami International Airport, FL et Nassau International Airport est de 294 km (184 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 tels qui sont connus à ce jour.
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