Boeing says 777-9 testing could extend into 2027 over GE9X certification work
Boeing CEO Kelly Ortberg said portions of the 777-9 flight-test campaign could extend into 2027 as additional work on GE Aerospace’s GE9X delays the start of ETOPS certification testing. The latest setback further pushes out the long-delayed widebody program, leaving launch customer Lufthansa awaiting deliveries.