Ron, if nobody can help you out here, Aircraft Spruce should have what you need: AEROFLASH SOCKET & PLATE ASSY P/N 073-0021
http://www.aircraftspruce.com/pdf/2016Individual/Cat16620.pdf$23.50 new
I replaced mine several years ago due to similar issues to what you are experiencing and haven't had to replace the lamp since....well worth it IMHO.
