Norwegian (DY, Oslo Gardermoen) has struggled to expatriate a B737-8 LN-BKE (msn 62970) from Shiraz in Iran due to the US sanctions since an emergency one-engine landing of the unit on December 14, 2018.

The aircraft was operating as DY1933 from Dubai Int'l to Oslo Gardermoen when a mid-flight low oil level warning forced the crew to shut down one of the CFM International LEAP-1B engines over Iran. Passengers were expatriated later the same day with B737-800 LN-DYG (msn 39165) but the Boeing narrowbody continues to be grounded at Shiraz.

"There’s a technical issue with the aircraft that requires a new part. Our technicians have been in [to Iran] to investigate, but due to sanctions, that has caused a delay in getting the aircraft," a spokesperson told Air Transport World.

All aircraft spare parts that contain at least 10% components manufactured in the US are currently under sanctions and cannot be delivered to Iran, although case-by-case exceptions are possible.

Norwegian operates five more active B737-8s. A further three units are operated by Norwegian Air Sweden (LE, Stockholm Arlanda) on behalf of the carrier. Norwegian Air International (D8, Dublin Int'l) operates nine more MAX 8s.