There was no evidence that it was in-op. Only that it "looked funny". That from a cabin crew who by her own admission had spent almost no time on the aircraft for practical training.
Even so, the Number One should have looked at it and, if he/she wasn't satisfied, should have reported it to the Captain who would have assessed the situation and passed the fault to an Engineer.
In my experience as BA ground staff, I have come across a few instances where things on aeroplanes have "looked funny" and on each occasion the "Nigels" on the Flight Deck have examined my findings closely and called in an Engineer when necessary. (On one occasion, a window seal had slipped which could have caused de-pressurisation and was only really noticeable from outside the aircraft!)
Safety should never take second-place!!! Indeed, Ryanair have had so many run-ins with the CAA over safety critical issues, I am very surprised that they are still permitted to fly in British airspace! (But then, the CAA are like all the other British Blimp organisations - watchdogs with no teeth!!! Let a poor pilot inadvertently exceed his hours and they'll revoke his licence, but a tycoon who openly despises aviation, pilots, crew and passengers can do what the hell he likes!!!)