NEXUS188 By then, Airbus had completed the first centre wing box 16 months after the first metal cuts, with 200 modifications from the standard design, delivered from Nantes to Hamburg for structural assembly. By April 2021, a standard A321LR fuselage section had been withdrawn from the Hamburg production line for use as a "pre-industrial system accelerator" to test the integration of XLR-specific systems; at Saint-Nazaire, a nose section was serving as an integration test bed for a new instrument panel assembly, before being used to analyse structural reinforcements needed for the XLR. By April 2020, Airbus had cut the first metal for the centre wingbox, while Safran had begun undercarriage forgings production.|Barus seluruh Dunia