Qualche ulteriore info da AvHerald:
A passenger reported the takeoff appeared normal initially until the aircraft began to rotate, the nose lifted up, however, nothing happened. The nose dropped again, then rose very sharply perhaps because of the runway end becoming visible. A sound of impact was heard from the back of the cabin followed by scratching sounds, that lasted for about 5 seconds, then the aircraft began to climb. During the initial climb the aircraft was shaking, the right wing dropped which the passenger, frequent traveller, perceived as unusual. The aircraft continued to climb heading north out of the Madrid area, no announcements were made. Passengers in the back of the cabin reacted confused and increasingly alarmed with no announcement made by the crew. Several minutes into the flight the passenger oxygen masks dropped (see photo below) together with the announcement "put on your mask and breath normally", the aircraft obviously stopped the climb and rapidly descended, a short time later an announcement "10,000 feet" was heard, cabin crew announced passengers could not remove their masks, the cockpit announced now they were returning to Madrid but provided no reason. The aircraft landed back in Madrid and taxied straight to the gate, the passengers disembarked normally. The passenger was able to see terrible damage to the tail of the aircraft, the right hand main gear tyres had deflated. The passenger had not seen any damage inside the aircraft. They were offered accomodation over night and were rebooked onto other flights via other European cities connecting to Mexico City the following day.
Air Traffic Control reported the aircraft climbed out without any comment, later into the departure climb the crew indicated they had cabin pressure problems and needed to return to Madrid. There was no mention of the possibility of a tail strike and no mention of injuries on board. The tower controller had not been able to see the tail contact the runway surface about 4km from his position, between the Aeromexico and Air Europa there were a few other departures without any problems.
