Originally Posted by
Shaman
Is it deactivated during the take off run after a certain point?
E.g., assuming that all systems are in the correct place at the start of the take off run but during the take off whilst accelerating on the ground, if one of the systems monitored goes outside a parameter, will the warning sound?
You mean like this one?
https://avherald.com/h?article=4b789227
A Batik Air Malaysia (former Malindo Air) Boeing 737-900 still in Malindo colours, registration 9M-LNJ performing flight OD-181 from Kathmandu (Nepal) to Kuala Lumpur (Malaysia) with 132 passengers and 7 crew, had backtracked runway 20, was cleared for takeoff and commenced takeoff, when the crew rejected takeoff at high speed (about 165 knots over ground). The aircraft came to a stop about 75 meters/250 feet past the end of runway 20 with all gear on soft ground, the crew advised they were off the runway and had rejected takeoff due to a takeoff configuration warning detailing upon further query, they believed a system malfunction had caused the takeoff configuration warning.
...
Troubleshooting carried out found that speed brake lever switch was out of range and giving an intermittent signal.