TAP F100 at Porto on Sep 1st 2014, cabin pressure problems

A TAP Air Portugal (Portugalia) Fokker 100, registration CS-TPB performing flight TP-814 from Porto (Portugal) to Milan Malpensa (Italy) with 92 people on board, was climbing out of Porto's runway 35 when the crew stopped the climb at 6000 feet due to problems with the cabin pressure. The aircraft returned to Porto for a safe landing on runway 35 about 15 minutes after departure.

Passengers reported the aircraft had some problems with the doors prior to departure, maintenance was working on the doors before the aircraft departed with a delay of 2 hours only to return shortly after takeoff.

The rotation TP-814/TP-811 was cancelled, the passengers in Porto and Milan were rebooked onto other flights.