assign sn for random TD found on bench

diff --git a/production.mdwn b/production.mdwn
index 9d0dc28bdd28ebafed1f6171044d7238521165bb..0b742489a6e471777a246a6fc8bbf837d64c2aea 100644 (file)
--- a/production.mdwn
+++ b/production.mdwn
@@ -555,4 +555,7 @@ Prototype build of 3 pieces of TeleBT v4.0 beta 1 by Bdale on 2017.04.25.
 Production run of 250 pieces of TeleBT v4.0 by
 [Advanced Circuits](http://4pcb.com), received 2017.07.21.
 
+## sn 3939 ##
+
+Errant TeleDongle v3.0 found in Bdale's collection.