AA 777 engine incident: tests support ‘impeded throttle’ theory
Preliminary investigations into last week’s throttle-response failure on an American Airlines Boeing 777-200ER suggest that a simple inadvertent obstruction of the throttle lever might have been responsible.
The aircraft had been approaching Los Angeles on 28 February, with its engines at flight-idle power and the auto-throttle engaged, when its left-hand powerplant apparently did not respond […]