The return of Boeing Max 737, a new problem revealed

American regulators have discovered a possible new flaw in air carrier 737 Max on the Boeing plane, which is likely to delay testing flights.

Federal Aviation Administration (FAA) said it identified the possible “risk” during the simulation tests, but did not reveal specific details, Kosovo reports.

Boeing's best-selling plane was extracted from operations in March after two crashes.

The company is improving the aircraft's anti-stall programme, which is at the centre of crash investigators.

On a Twitter, FAA said: “on the latest issue, process of The FAA is designed to detect and expose potential risks. The FAA recently found a potential risk that Boeing should be serviced”.

Last month. The FAA showed that the adoption of Boeing changes in Max 737 could come at the end of June. This would allow test flights in early July.

It was the initial expectations among airlines that Max 737 would return to air during the summer, but the calendar was again postponed at the end of this year even before the final news.