(Reuters) -Alaska Airways on Friday mentioned it has accomplished inspections on the primary group of its Boeing (NYSE:) 737 MAX 9 plane, clearing the service to place the MAX 9 again in service after an in-flight cabin blowout earlier this month.

The service resumed some MAX 9 operations on Friday afternoon, beginning with Flight 1146 from Seattle to San Diego.

Alaska mentioned it had begun inspections of its first MAX 9s on Wednesday evening, after the Federal Aviation Administration authorised inspection standards.

“We anticipate inspections on our 737-9 MAX to be accomplished by the top of subsequent week, permitting us to function our full flight schedule,” mentioned the airline, including that inspections take about 12 hours per plane.

After the touchdown of the Alaska Airways flight, Boeing Industrial Airways President Stan Deal launched a letter to workers stating that the group had “labored diligently” to create inspection standards that may enable plane to be put again in service, and Boeing is now within the means of evaluating “lots of” of concepts submitted by workers for high quality enhancements.

“Our long-term focus is on enhancing our high quality in order that we are able to regain the boldness of our prospects, our regulator and the flying public,” he mentioned. “We personal these points and can make them proper.

A Copa Airways jet grew to become the primary MAX 9 to return to service on Thursday.

Alaska and United Airways, the 2 U.S. carriers that fly the MAX 9, have canceled hundreds of flights this month for the reason that Jan. 6 grounding of 171 MAX 9s.