Boeing Co. has identified wiring problems in some of its undelivered 737 MAX aircraft that will cause delivery delays, the company announced recently.

The aerospace manufacturer discovered scratched wiring in undelivered planes during routine inspections. The company said the wiring flaws will slow some 737 MAX deliveries and could reduce overall plane deliveries this month.

Despite the delays affecting individual aircraft, Boeing indicated that its broader delivery targets remain achievable. The company did not specify how many planes are affected by the wiring issues or provide details about the extent of the scratching found.

The 737 MAX has faced extensive scrutiny following two fatal crashes that led to a global grounding of the aircraft from 2019 to 2020. Boeing has since implemented numerous safety improvements and quality control measures as part of its efforts to restore confidence in the aircraft program.

The wiring problems represent the latest quality issue to surface in Boeing's manufacturing processes. The company has been working to address various production challenges while ramping up deliveries to meet airline demand for new aircraft.