RENTON, Wash. — Cash-strapped Boeing is facing mounting costs from an ongoing machinist strike as workers push for higher pay. A failure to get a deal done could be even more expensive. In the shadow of a factory outside Seattle where Boeing makes its best-selling planes, picketing Boeing machinists told CNBC they have saved up money and have taken or are considering taking side jobs in landscaping, furniture moving or warehouse work to make ends meet if the strike is goes on much longer. The work stoppage by Boeing’s factory workers in the Pacific Northwest just entered its second week. The financial cost of the strike on Boeing depends on how long it lasts, though ratings agencies have warned that the company could face a downgrade if it drags on too long. That would add to the borrowing costs of the company, already $60 billion in debt. Boeing has burned through about $8 billion so far this year…
