Possibly related, but not definite, this apparently has happened before with Ryan Air. https://avherald.com/h?article=454af355 https://avherald.com/h?article=4

Possibly related, but not definite, this apparently has happened before with Ryan Air. https://avherald.com/h?article=454af355 https://avherald.com/h?article=454af355 https://www.independent.co.uk/travel/news-and-advice/exclusive-safety-warning-as-budget-airlines-such-as-ryanair-cut-fuel-levels-for-flights-8749046.html https://www.independent.co.uk/travel/news-and-advice/exclusi... These were not definitive but it did raise concerns due to the budget nature of the airline.