Boeing is using one of its employee trailer parks in Renton , Washington to store undelivered 737 Max planes . The company confirmed it was using a range of facilities to house the 737 aircraft , describing the process as part of its " inventory - management plan " . Boeing is waiting for a software update concerning the 737 Max 's anti - stall capability to receive regulatory approval before flights involving the aircraft can resume .
Boeing is using one of its employee car parks in Renton, Washington to store undelivered 737 Max aircraft. The company confirmed it was using a range of facilities to house the grounded planes, describing the process as part of its "inventory-management plan". Boeing is waiting for a software update concerning the 737 Max's anti-stall system to receive regulatory approval before flights involving the aircraft can resume.