United says it found loose bolts on door plugs of Boeing 737 Max 9 jets grounded since Alaska Airlines midair blowout
ABC News
United says it found loose bolts on door plugs of Boeing 737 Max 9 jets grounded since Alaska Airlines midair blowout
CHICAGO -- United says it found loose bolts on door plugs of Boeing 737 Max 9 jets grounded since Alaska Airlines midair blowout.
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