A TAAG Angola Airlines Boeing 737-700, registration D2-TBK performing flight DT-453 from Luanda to Namibe (Angola) with 74 passengers and 6 crew, had just levelled off at cruise flight level 330 when the crew initiated an emergency descent due to the loss of cabin pressure. The aircraft levelled off at FL080 and returned to Luanda for a safe landing about one hour after departure. Two passengers were taken to a hospital.
The airline reported 4 passenger were injured due to the loss of cabin pressure, two of them were transported to a hospital, the other two treated at the airport.
Angola’s INAVIC has opened an investigation into the occurrence.