This was recently remarked to me by a fellow traditional Catholic along with another significant error(there having been only one witness). These statements are false, and I am starting this topic to set the record straight.
In the link below, starting on page 12 of the 23 online pages, you will find pictures and proof of Bp. Kelly's consecration that took place in Bp. Mendez's private chapel(pictures of the important parts of the rite)(along with photo copies of all of the legal docuмents) -
http://congregationofstpiusv.net/Consecration%20of%20Bishop%20Kelly.pdf