fixing hinges on old stove

Hi folks. A friend of mine (not computer literate) has an old Westinghouse Aquaria double oven. Its in good shape generally except that the hinges on the lower oven have been damaged, so it doesnt close properly. Its old, looks like 1970s or 1980s, but he doesnt want to throw something out that otherwise works perfectly. Email (the makers) cant help - they just said they no longer carried spares for this model.

Does anyone know how he can go about fixing this ? Perhaps know a dealer who carries old spares or wrecks old ovens ?

thanks
Arron


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