Loose bolts indicate vibration, and that is a death knell for Boeing ... because their engineers should have known how many bolts would be needed and the torque required to lock them in.
Boeing will pay through the nose for this screw up.
Generally in Aviation, bolts are torqued down to a spec and then they are wired to prevent them from coming loose. I’m not an engineer but this happening on soo many planes looks like a manufacturing QC problem.
I bought Boeing on the dip during the last 737 disaster. I’m so thankful I unloaded all my Boeing stock when it ran up in late December.
They are a turd of a company. Even though the Max 8 was finally being delivered I figured with their track record for engineering, manufacturing and QC they would still have knock on effects.
The stock is tempting now but I don’t think I want to gamble on them again.
If all of them were subject to Alaska Airlines’ WiFi equipment installation post-sale, which required unbolting the door plugs, then all of them have to be rechecked and rebooted. This you won’t hear from them :)
Oh shit....they are going to go after Fred Novabitch the guy at final assembly who goes around with the torque wrench and finish off the screws. You should have done your job Fred!