Nursed this one through the brewing process and into the fermenter only find a 50c sized burnt patch on the base on the kettle... again

Couldnt smell anything burning through the boil or taste/smell anything once in the fermenter so Ill let it ferment out and see how she goes.
Eleanor Wheat Wine III
American Barleywine
Type: All Grain
Date: 17/01/2010
Batch Size: 21.00 L
Brewer: Jye
Boil Size: 27.46 L Asst Brewer:
Boil Time: 90 min Equipment: SK Brew Hous
Taste Rating(out of 50): 35.0 Brewhouse Efficiency: 60.00
Ingredients
Amount Item Type % or IBU
9.00 kg Wheat Malt (Barrett Burston) (1.5 SRM) Grain 80.00 %
2.25 kg Pale Malt, Ale (Barrett Burston) (3.0 SRM) Grain 20.00 %
30.00 gm Amarillo Gold [8.40 %] (Dry Hop 7 days) Hops -
50.00 gm Simcoe [11.90 %] (60 min) Hops 51.1 IBU
50.00 gm Amarillo Gold [8.90 %] (20 min) Hops 23.2 IBU
50.00 gm Amarillo Gold [8.90 %] (5 min) Hops 7.6 IBU
5.50 gm Calcium Chloride (Mash 60.0 min) Misc
5.50 gm Calcium Sulfate (Gypsum) (Mash 60.0 min) Misc
6.00 gm Calcium Carbonate (Mash 5.0 min) Misc
1 Pkgs Safale American US-56 Yeast-Ale
Beer Profile
Est Original Gravity: 1.101 SG
Measured Original Gravity: 1.101 SG
Est Final Gravity: 1.023 SG Measured Final Gravity: 1.000 SG
Estimated Alcohol by Vol: 10.15 % Actual Alcohol by Vol: 13.27 %
Bitterness: 81.9 IBU Calories: 973 cal/l
Est Color: 6.2 SRM Color: Color
Mash Profile
Mash Name: SK Brew Hous Mash Total Grain Weight: 11.25 kg
Sparge Water: 11.60 L Grain Temperature: 30.0 C
Sparge Temperature: 100.0 C TunTemperature: 30.0 C
Adjust Temp for Equipment: TRUE Mash PH: 5.4 PH
SK Brew Hous Mash Step Time Name Description Step Temp
90 min Mash In Add 28.12 L of water at 72.8 C 65.0 C