Work continuing on the underside of the playfield. Rather than just 'checking' coil sleeves, all are replaced without question. To my surprise, most were reasonably clean - again another sign of a fairly low play machine.
Have hit a small hurdle along the way. The kicker assembly (P/N A-16434) has had an in-house repair by an inexperienced tech / business / operator at some stage. This is what happens when you MIG weld mild steel at this thickness with a cheap gasless MIG or Bunnings special. Is such a dirty weld, destroys and warps the metal around it and the did not even get good penetration. Very much a 'rough as guts' repair. Unfortunately I've seen repairs time after time like this locally and even on top side components / scoops.
Due to how the metal has warped, I think this may be beyond repair.