Bear with me, not an Australian, but why would the ATSB give a rat's ass? No loss of life, not even an injury, Part 138 utility operation - no public safety issues, foreign aircraft, foreign flight crew . It more or less burned as much useless scrub as it put out on its last pass. Let the operator figure it out, or not.
Surprised you're still on about cabin crew visibility when non-pprune rumours have graduated to power loss after completion of the last run.