I assume being a large air carrier with so much focus on this plane sitting there smuggling is not an option. About 10 years ago I had customer problems - customers in UAE and Saudi Arabia were having a very high diesel fuel injection pump failure rate. Inspection showed fuel with so much water the injection pumps were rusting internally on parts that were always submerged in fuel. Our water separator removed 90% of the water but enough got through to cause the failures. If I remember correctly a Saudi customer with 43 of this model had 19 failures. Customer wanted to wring my neck but fortunately visa approval for me to visit would take too long but my investigation found those customers were using diesel smuggled from Iran. Cost was almost nothing. Quality was poor. I learned things were moving quite freely across the Persian Gulf. Right, the USA is killing itself.