747 dumping fuel over Sydney?
Yesterday (29 June) at about 1400 I saw a 747 departing from (im guessing) rwy34L and it looked to be dumping fuel from the left wing only, it was way too much to be an overfull, venting tank. Does anyone know what the problem was? Can you even vent from only one tank? The aircraft continued out of my sight to the northwest misting the countryside with unburnt juice, did anyone else see it or have an explanation?