New York (CNN Business) A new software issue has been discovered on the Boeing 737 Max, but the company said Thursday it does not think it will further delay its return to service.

The company said the issue involves an indicator light staying on longer than intended. The light is associated with the stabilizer trim system, which raises and lowers the plane's nose.

Boeing said the problem was discovered during flight testing of the 737 Max's updated software. It said the problem was with the inputs into the plane's flight control computers.

"We are incorporating a change to the 737 Max software prior to the fleet returning to service to ensure that this indicator light only illuminates as intended."

stalling. Boeing has been working on a fix of the software on that system for more than a year. The 737 Max has been grounded worldwide since March following two fatal crashes that killed 346 people. The crashes have been linked to a safety system designed to force down the nose of the plane in case it was climbing too fast and was at risk ofstalling. Boeing has been working on a fix of the software on that system for more than a year.

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