By David Kaminski-Morrow2021-06-01T12:03:00+01:00
Operators of British Aerospace ATP turboprops are set to be ordered to replace engine power-control cables after incidents in which throttle levers have either jammed or been stiff to move.
The UK Civil Aviation Authority says a “number of events” of this nature have been reported by ATP operators, both in flight and on the ground during cold weather.
Investigations have determined that the condition is caused by moisture entering the power-control cable and then freezing, affecting the associated lever.
“If the power cables of both engines were to freeze – or one power cable was to freeze in combination with a malfunction of the other engine – the crew would not be able to control engine power,” says the CAA in a proposed directive.
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