– Listed as a standard top cover replacement in various Brother industrial parts catalogs. Bed Cover Assembly Part #132254001
: Avoid standard superglue; use a two-step plastic bonder like Loctite Plastic Bonder Brother Ps-300b Crack
: Using a 3D pen with matching filament can fill the gap and create a "solid" fused piece that can be sanded smooth. or a specific parts supplier in your area to order these assemblies? Industrial Sewing Machine | Brother – Listed as a standard top cover replacement
– If the crack is on the lower horizontal work surface rather than the arm. How to Find Your Specific Part Brother Ps-300b Crack
– This is the most common large plastic housing piece for the upper arm. Alternative Top Cover Part #SB0785001