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Boeing Engine-Control System, Maintenance a Crash Probe Focus

  • Sriwijaya Air jet carrying 62 plunged into Java Sea last month
  • Crash was third major air disaster in Indonesia in seven years
An official of the National Transportation Safety Committee inspects one of the engines recovered recovered from the crash site of Sriwijaya Air flight SJ182, at the port in Jakarta on Jan. 10.

An official of the National Transportation Safety Committee inspects one of the engines recovered recovered from the crash site of Sriwijaya Air flight SJ182, at the port in Jakarta on Jan. 10.

Photographer: Dany Krisnadhi/AFP/Getty Images

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The investigation into last month’s Sriwijaya Air crash in Indonesia is focusing on the carrier’s maintenance and training procedures as well as the engine-control system of the Boeing Co. 737-500 jet.

While Indonesia’s National Transportation Safety Committee is still trying to determine the exact cause of the disaster, lead investigator Nurcahyo Utomo said at a media briefing on Wednesday that the left engine throttle lever was trimming back the power output while the right lever remained constant just before the 26-year-old jet plunged into the sea.