By any chance did you have a foaming issue when this happened? I just saw a pan that had a good 1+ inch of sap in the front (finish area) when it burned to the point it warped the bottom about 3/4 inch. We figured it was from the foam reaching the bottom.
2013 25 taps 2.5 gallons
2014 60 taps 9.5 gallons
2015 12 x 16 sugar shack 200 taps 1500' 5/16 lines gravity. Home made arch, 2 x 3 pan and 18" x 24" steam pan.
2016 2 x 5 Smokey Lake hybrid pan. Custom steam hood and float box. Number of taps yet to be determined.
2017 Made 27 gallons. Added 60 taps on 3/16 lines.
2018 Adding more 3/16 lines. Made 55 gallons
2019 Added 4 totes for sap storage. Big shack upgrades.