CHICAGO (Reuters) – The Southwest Airways Pilots Affiliation (SWAPA) said on Monday it had filed a lawsuit against Boeing Co alleging that the planemaker “deliberately misled” the airline and pilots about its 737 MAX airplane.

FILE PHOTO: A necessity of grounded Southwest Airways Boeing 737 MAX 8 airplane are proven parked at Victorville Airport in Victorville, California, U.S., March 26, 2019. REUTERS/Mike Blake/File Picture

The grounding of the 737 MAX in March has worn out extra than 30,000 Southwest Airways flights, causing over $100 million in lost wages for pilots, the union said.

Southwest is a truly powerful operator of the MAX with 34 jetliners in its lickety-split when the airplane turned into as soon as grounded worldwide following two fatal crashes that collectively killed 346 of us.

The lawsuit, filed in the District Court docket of Dallas County, Texas, alleges that Boeing “abandoned sound safe and engineering practices, withheld safety serious files from regulators and deliberately misled its clients, pilots and the general public regarding the honest scope of safe changes to the 737 MAX.”

Boeing spokesman Chaz Bickers said: “Whereas we charge our long relationship with SWAPA, we imagine this lawsuit is meritless and ought to quiet vigorously defend against it.”

The planemaker will continue to work with Southwest and its pilots on efforts to safely return the MAX to carrier, he said.

Boeing is below stress to ship up to this point tool and working in direction of to regulators in define for the airplane to wing again, and has been negotiating compensation with clients like Southwest over the monetary hit from the grounding.

“We must for all time be in a internet page to trust Boeing to honestly instruct the files now we ought to safely feature our airplane. Within the case of the 737 MAX, that completely did not happen,” said SWAPA president, Captain Jon Weaks.

He said it is “serious” that Boeing takes regardless of time is serious to safely return the MAX to carrier, nonetheless added that pilots “ought to quiet not be anticipated to determine out a necessary and ever-expanding monetary loss on yarn of Boeing’s negligence.”

Southwest, with round 10,000 pilots represented by SWAPA, had 41 extra MAX jets on define for this 300 and sixty five days on my own. The associated charge range-friendly carrier is scheduling with out the MAX unless as a minimum early January, pending regulatory recognition of enterprise flight.

Pilots at American Airways Neighborhood, which to this point has canceled MAX flights thru early December, like also demanded compensation for lost pay linked to the 737 MAX grounding, nonetheless like not filed a lawsuit.

Last month Southwest Chief Executive Gary Kelly promised the airline would half any reimbursement from Boeing over the MAX grounding with its workers.

Reporting by Tracy Rucinski; Extra reporting by David Shepardson in Washington and Eric M. Johnson in Seattle; Editing by Leslie Adler and Tom Brown