On June 20, Apple announced a recall for 15-inch Macbook Pro units because of a battery overheating issue. The affected devices can be identified by their serial number, and were sold between Sept 2015-Feb 2017.
Because the issues poses a fire safety risk many airlines have decided to restrict passengers carrying the device.
FlyDubai and Emirates have completely banned the device on their flights on both, check-in and cabin luggage.
Both airlines announced that the affected devices will be banned in hand baggage and checked baggage, unless the battery has been replaced.
Both airlines have encouraged people to check if their devices are affected.
Etihad Airways has announced that the devices will be banned in check-in baggage, however passengers can carry the device in their hand luggage.
Other airlines such as Qantas Airways, Virgin Australia and Thai Airways have also banned the carriage of the devices.
Etihad Cargo has also banned the bulk shipment of these products.
You can read more about the ban on Apple's website.