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The potential failure of the engine management system on Sriwijaya Air’s Boeing 737-500 is already highlighted in the initial report of the January 9 accident, which killed all 62 passengers and crew.
A 26-year-old plane, previously operated by US airlines Continental Airlines and United Airlines, fell from an altitude of about 3 km into the sea near Jakarta, just minutes after takeoff.
Investigators who filed an interim report Wednesday said they were investigating the operation of an automatic engine traction control system.
“It just came to our knowledge then [variklio valdymo svirtis] It slid too far back and the right didn’t move at all, it was stuck, “said Nurcahyo Utomo, a researcher for the National Transportation Safety Committee.
But what could have caused this anomaly? “We cannot draw any conclusions yet,” he added.
Officials previously said the flight crew did not declare an emergency until the accident and did not report any technical malfunctions.
However, during previous flights of this aircraft, the pilots had reported that the engine management system was “messed up” and had been repaired several times before the accident.
According to experts, the plane crashed into the water without breaking. They noted that the wreckage was scattered over a relatively small area and that information in the flight data recorder showed that an engine was still running just before the accident.
Communication with air traffic controllers seemed normal until the plane abruptly deviated from its intended course and crashed.
The crew, including the experienced captain, did not respond to any questions about the aircraft’s change of direction.
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