Read the Books !

[leewan]

I don't see anything wrong in asking for advice from ppl i assume are experienced from this forum in defects of an inexplicable nature or insight into certain defects which others might have done. But following that advice is another thing. End of the day, as hsdxb puts it, make sure it's in B&W in authorised publications so you are covered legally. If you r signing 4 the a/c, it's your responsibility that everything is done in an authorised manner. Responsibility of authorised signatory is a/c must be dispatched after repair is done in a safe & authorised manner. Ppl tend to miss out the word in red due to pressure from time & higher ups.
I mean, no sane engineer/tech/mech would write this in the tech log under the actions taken column: Problem fixed. Ops check satis. Refer to: pprune.org/Engineers & Technicians/ Thread:How to fix xxx. If that happens, I have a shortlist of possible culprits.