EXCLUSIVE-Boeing delays some 737 MAX deliveries after new quality defect

Boeing Co said on Sunday it will have to perform rework on about 50 undelivered 737 MAX airplanes, potentially delaying near-term deliveries, after its supplier Spirit AeroSystems discovered two mis-drilled holes on some fuselages.

Boeing confirmed the findings in response to a Reuters query after industry sources said the problem of spacing had been discovered in holes drilled on a window frame, but the jetmaker said safety was unaffected and existing 737s could keep flying.