According to this news report on local Indonesian TV, the results of the investigation by the NTSC (KNKT) should be available in 4 months time. The reason for the
delay is due to the fact that the investigators also have to report to Boeing their findings.
Hasil Investigasi Kecelakaan Lion Air di Bali 4 Bulan Lagi
That's one thing that I've found impressive about Indonesian crash investigations. They're usually done quickly especially high profile accidents such as this. I guess they have a lot of experience doing crash investigations, hence the quick findings and reporting.
