JP
As far as aircraft serviceability is concerned, the only people who can testify to that tragically perished in the ensuing crash. The AAIB most definitely NEVER said the aircraft was serviceable.
Indeed they said something extremely close to:"The pre impact serviceability of ZD576 could not be positively established."
In other words, please don't make the common error of failing to differentiate between "absence of evidence" and "evidence of absence."
Another point you may wish to consider is that ; matters of opinion are NOT matters of fact.
can't you at least agree that the single most striking characteristic of this whole sorry saga is an almost complete absence of reliable facts?
Eight and a half years, how utterly depressing!