Pages and pages of discussion have still not satisfactorily explained the problem. It is more and more starting to look like a questionnaire on an application form for the ETPS (with a caveat – do NOT try this until you have done the course).
Maintenance manuals, hidden functionality, include a diagrammatical description of flight control metamorphoses, oh, and remember, if you try to trim manually, the whole process might start again with moved goal posts – and all this whilst struggling with an aircraft which has taken on a mind of its own.
I have been there and done that. The last thing I wanted at the time was to try to read all about it in a book. The why’s and the wherefores are up to the Accident Investigators. A line crew should never have been exposed to this.
Prober