The key word in that quote is "implied". One of the rules about posts on Pern Wiki is that 'facts' are preferred to 'suppositions'. So, if you has said that it had been implied that T'bor 'hit' (not 'beat') her, I would not have removed the comment, because there is a big difference between being hit and being beat.
I would be very interested to know exactly which book you copied that quote from - because I am not able to find "hit her when he was drunk" in either Dragonflight or Dragonquest.
My copy of Dragonquest says this: "“Be quiet!” Kylara stepped quickly from the collapsed dress at her feet, all too aware of the livid bruises that stood out on her fair skin. One more reason to wear the new gown. She shrugged into the loose linen robe she had discarded earlier. While sleeveless, its folds almost covered the big bruise on her right arm. She could always blame that on a natural accident. Not that she cared a whistle what T’bor thought but it made for less recrimination. And he never knew what he did when he was well wined-up.
“No good will come of it,” Rannelly was moaning as she gathered up the red gown and began to shuffle across to her cubby."
McCaffrey, Anne. Dragonquest: Volume II of The Dragonriders of Pern (p. 58). Random House Publishing Group. Kindle Edition.
So, the entire paragraph about the bruises is not in the kindle version of Dragonquest.