According to a report by The Argus, the incident occurred on 20 November on Ryanair flight FR3971 from Lanzarote to Bournemouth Airport and resulted in the passenger being removed and the plane being grounded for approximately an hour and a half.
A technical issue was also detected leading to an inspection by engineers.
A spokeswoman for Ryanair said: “This flight from Lanzarote to Bournemouth (20 November) diverted to Faro due to a minor technical issue.
“The aircraft was inspected by engineers and was promptly cleared to return to service, before continuing to Bournemouth where it landed safely at 00:20.
“Ryanair sincerely apologises to affected passengers for any inconvenience caused by this short delay.”