I decided to stop listing every cancelled 7M9 flight as it is probably not productive anymore. But I will still count the amount of cancelled flights based on flightaware data. Do be aware numbers might be off by a few.
78 flights cancelled on 1/6
180 flights cancelled on 1/7
209 flights and counting cancelled on 1/8
Originally Posted by
halls120
The fact that AS kept flying the airframe at issue with decompression warnings without solving the problem worries me more than losing the plug. Is that standard MX practice?
Originally Posted by
amexman
Interesting that the FAA emergency AD applies to "The Boeing Company Model 737-9 airplanes, certified in any category, with a mid cabin door plug installed".
Don't the 737-900's have the plug? Curious why this is solely a "Max" problem if so?
Originally Posted by
JimInOhio
Pure speculation: It could be something so simple as a different manufacturer of the nuts and bolts that hold the plug in place while the a/c is not pressurized.
My personal speculation and I do not claim to be an expert in this field, but I suspect this incident may be caused by deferred maintenance. The plane involved had pressurization issues multiple times, and a few weeks ago
AS flights were cancelled as planes failed to meet inspection requirements, which to me could mean that there is something amiss with the way AS takes care of their planes. I think UA is doing well on the maintenance side since the PW 772 engine issues a few years ago.