The Scottish singer, who fell through the deck of the cruise ship, suffered damage from the boat’s owners.
Brenda Cochrane, 59, was rehearsing for a guest role as she boarded the Regal Princess cruise ship in Copenhagen.
She was singing near a drum kit, which had to be raised during the performance, when it fell – sending her fall into a 5 foot hole.
Brenda, from Woodington, Lanarkshire, was dragged to a safe position by stage hands and suffered a mid-whip injury and a deep tissue impact to her right leg.
She also said she has been suffering from post-traumatic stress since the incident in August 2017.
The investigation revealed that the floor was opened after someone from the stage unknowingly pressed the controls on the drum kit platform.
Brenda was found to have insufficient risks to ensure her safety.
The ship’s owner, Princess Cruise, paid them undisclosed sums of money to repair the damage.
Brenda, who rose to fame after winning the biggest vote in the history of the ITV show and winning the Opportunity Knox in 1989, said: “It was scary.
“It took a long time to physically recover from the injuries, but I still have nightmares and suffer from PTSD and are haunted by pain and trauma.
“My voice continues to be right, but I’m really afraid of going to a venue that I’m worried about right now.
The injuries were bad but the inability to perform was bad.
“I’ve worked on stages most of my life, but nothing like this has ever happened.
“I now have the fear of having to perform again, because my imagination goes into overdrive, and I begin to panic at everything that can go wrong.
“Other people who have experienced a fear like this know how it’s. It’s like you’ve bitten a dog – the last thing you want is to go to another dog.
“I know I’m in its worst condition right now. I’m talking to professionals, so I hope I can get over it quickly.”
Princess Cruise was approached for comment.