"As a 737 Captain, I will be more than happy to answer your question, with one condition of course:
That would be when the typical journalist achieves a level of performance in terms of accuracy, integrity, attention to detail and general reliability that is even just 10% of that of the worlds airlines.
Feel free to lurk around the boards. You'll find these performance standards aren't real difficult to achieve 
"
Thank you. I have been lurking here for few years now. English is not my mother language however and I apologize for mistakes resulting from this.
"Stain and seep can fly in some cases dependent on where leak is from"
I have heard (but thatīs hearsay) that defect was in the upper part of fuel tank and temporary solution was to not fill tank fully, but then mistake was made in foreign airport and tank was filled in full. This resulted in visible accumulation of fuel below aircraft.