Has someone put the front wheel in “back to front” ?
The brake levers emerging from the alloy brake back plates should point backwards.
Or has there been an oil leak from the Dowty forks which has found it’s way into the drums. My 1947 Flyer is currently off the road, with rags tied around the lowest (chromed) parts of the forks to guard against the possibility of this happening.
The front brakes on this machine are quite reasonable for a heavy machine, albeit a long way from modern discs.