On 5 January 2024, a door plug tore off Alaska Airlines Flight 1282 six minutes after takeoff. Nobody was killed. What investigators found afterward is the more instructive part: when they asked whether the bolts securing that plug had been reinstalled after earlier repair work, there was no record that reliably answered the question.
A question the paperwork couldn't answer
The National Transportation Safety Board's preliminary report, released in February 2024, found that the door plug on the Boeing 737 MAX 9 had been opened at the factory to allow rivet rework, and that documentation confirming the bolts were correctly reinstalled afterward could not be located. The NTSB was explicit that investigators could not determine, from the records available, whether those bolts had been reinstalled at all before the aircraft was delivered.
The FAA's response went beyond the single aircraft. It opened a production-line audit of Boeing's 737 MAX manufacturing and, separately, of fuselage supplier Spirit AeroSystems — a six-week review examining whether the paperwork and process discipline behind each manufacturing step actually matched what the process required. Public reporting on the audit's findings through 2024 described numerous instances where Boeing's own process controls were not being followed as documented.
What the NTSB's preliminary report establishedThe question was not "did anyone make a mistake." It was simpler and more damaging: for a specific, safety-critical piece of configuration, no record existed that could say what had or had not been done.
A record you rebuild under deadline is not a record
This is the sharpest version of F-06. It's not that a review would have caught the missing bolts — it's that when someone asked, after the fact, for proof of what had been done, no continuous record existed to answer them. Configuration state, review sign-off, and change history had not been maintained as a standing, retrievable thread; they had to be searched for, and in this case, could not be found at all.
Every engineering program has some version of this exposure. Not always with these stakes, but the same shape: reviews happened, approvals were given, work was done — and if an auditor asked for the record six months later, the honest answer would take days of digging rather than minutes of lookup. That gap is invisible until the moment it's tested. Then it's the whole story.
Audit readiness is a state you maintain, not a file you assemble
The fix isn't a bigger checklist. It's treating every review, approval, and configuration change as a permanent node on the same evidence thread as the requirement and design it belongs to — so the answer to "prove this was done" is always a lookup, current as of right now, not a reconstruction project that starts the day someone asks.
That's the standing state PES is built to maintain: baselines, review evidence, and version history kept continuously current, so audit readiness never has to be assembled under deadline — because it was never allowed to lapse in the first place.