FAA ordena urgente revisión de módulos informáticos de los Boeing 787

Resultado de imagen para cockpit Boeing 787

AW | 2016 12 02 10:47 | SAFETY / SECURITY

La FAA está recomendando que los operadores del 787 Dreamliner de Boeing reajustar periódicamente la potencia en el avión para evitar un fallo que podría causar los tres módulos informáticos que gestionan las superficies de control de vuelo del jet para detener brevemente mientras se trabaja en vuelo

La Administración Federal de Aviación (FAA) es la emisión de una norma que exige atención urgente por parte de los operadores Boeing 787 Dreamliner de Boeing para evitar la posibilidad de los tres módulos informáticos que gestionan las superficies de control de vuelo del jet podría detener brevemente mientras se trabaja en vuelo.

Los operadores deben cerrar y reiniciar periódicamente la potencia eléctrica en los planos, o el poder de los tres módulos de control de vuelo. Eso va a evitar el problema hasta que Boeing tiene un arreglo de software permanente.

En una directiva de aeronavegabilidad que se publicará el viernes la FAA dijo que está reaccionando a indicios de que “todos los módulos de control de vuelo en tres el 787 puede reiniciarse de forma simultánea si se alimenta de forma continua durante 22 días.”

Se dijo que un restablecimiento de tales simultánea en vuelo “podría dar lugar a superficies de control de vuelo no se mueve en respuesta a las entradas de la tripulación de vuelo durante un breve periodo de tiempo y la consiguiente pérdida temporal de la capacidad de control.”

Una persona con conocimiento de las prácticas de las aerolíneas, hablando en condición de anonimato, dijo que es “extremadamente raro” para cualquier operador de abandonar el chorro de encendido durante más de una semana.

En un comunicado, Boeing dijo que las nuevas acciones mandatos gobernar el fabricante de aviones ya ha recomendado a 787 operadores durante los últimos dos meses.

“Boeing recomienda que los operadores de energía de ciclo para los módulos de control de vuelo periódica para asegurar restablece la superposición no se producen“, declaró Boeing. “Un arreglo de software permanente se prevé en el segundo trimestre de 2017.”

La FAA se ordena que la aproximadamente 99 Dreamliner registradas en los EE.UU. actúan sobre la directiva dentro de una semana. Las aerolíneas extranjeras suelen seguir el ejemplo de la FAA en tales directivas. Hasta la fecha, 489 Dreamliner se han entregado en todo el mundo. airgways-icon-aw

Workers check out the cockpit of a United Airlines Boeing 787 Dreamliner after it arrived at O’Hare International Airport in 2013. (Scott Olson/Getty Images)

Workers check out the cockpit of a United Airlines Boeing 787 Dreamliner after it arrived at O’Hare International Airport in 2013. Scott Olson/Getty Images

FAA orders Boeing 787 safety fix: Reboot power once in a while

The FAA is mandating that operators of Boeing’s 787 Dreamliner periodically reset the power on the airplane to avoid a glitch that could cause all three computer modules that manage the jet’s flight control surfaces to briefly stop working while in flight

The Federal Aviation Administration (FAA) is issuing a rule requiring urgent attention by operators of Boeing’s 787 Dreamliner to avoid the possibility all three computer modules that manage the jet’s flight-control surfaces could briefly stop working while in flight.

Operators must periodically shut and restart the electrical power on the planes, or the power to the three flight control modules. That will avoid the problem until Boeing has a permanent software fix.

In an airworthiness directive to be published Friday, the FAA said it is reacting to indications that “all three flight control modules on the 787 might simultaneously reset if continuously powered on for 22 days.”

It said such a simultaneous reset in flight “could result in flight control surfaces not moving in response to flight crew inputs for a short time and consequent temporary loss of controllability.”

A person with knowledge of airline practices, speaking on condition of anonymity, said it is “extremely rare” for any operator to leave the jet powered on for longer than a week.

In a statement, Boeing said the new rule mandates actions the jet maker has already recommended to 787 operators during the past two months.

“Boeing recommended that operators cycle power to flight control modules periodically to ensure overlapping resets do not occur,” Boeing stated. “A permanent software fix is anticipated in the second quarter of 2017.”

The FAA is mandating that the roughly 99 Dreamliners registered in the U.S. act on the directive within a week. Foreign airlines typically follow the FAA’s lead on such directives. To date, 489 Dreamliners have been delivered worldwide. A\W

 

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SOURCE: seattletimes.com
DBk: Photographic © Scott Olson, Getty Images / Reditt.com
AW-POST: 201612021047AR
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