
Nobody was injured in the incident which left passengers terrified, Malaysia Aviation Group (MAG) said.
The aircraft crew initiated an emergency descent to a lower altitude and deployed oxygen masks to passengers in line with standard safety procedures.
The Star reported that the airline had commenced an investigation into the incident that occurred mid-flight.
The Malaysia Airlines Flight MH2742 landed safely at Bintulu Airport at 10.31am without any further incident.
Malaysia Airlines apologised for disrupting passengers’ travel plans.
“The safety and well-being of our customers and crew remain our highest priority, and we are conducting a thorough review to understand the cause and to prevent a recurrence,” it said in a press statement.