Boeing has begun to make minor design changes to the panels and software that manage power distribution on its 787 Dreamliner.
The company is making the changes following an investigation of an onboard electrical fire on a test airplane, ZA002, that occurred in Texas, US, in November.
The probe revealed that the fault began as a short circuit or an electrical arc in the P100 power distribution panel.
The design changes will improve protection within the panel, while software changes will be implemented to further improve fault protection.
The P100 panel is one of five major power distribution panels on the 787 Dreamliner that receives power from the left engine and distributes it to an array of systems.
Boeing 787 Programme vice-president and general manager Scott Fancher said that the company is developing a plan to return to 787 flight-test activities and will present it to the US Federal Aviation Administration as soon as it is complete.
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