Safety experts say the plane's manufacturer discourages pilots from cutting systems power, as it can have a knock-on effect.
An NTSC investigator said Thursday that the flight data recorders provided a "pretty clear picture" of the last moments of Flight 8501.
A senior official said Wednesday that the search for victims of Flight 8501 may end in a week if no more bodies are found in the Java Sea.
After 30 days of search and rescue and little success, Indonesia has finally halted AirAsia Flight 8501 wreckage-recovery efforts.
Indonesia's military called off the recovery operation stating that they believed that there are no more bodies trapped in the fuselage.
An NTSC investigator said that analysis of the cockpit voice recorder and the black box will not be included in the preliminary report.
An Indonesian official said that efforts to float the fuselage of Flight 8501 will resume on Sunday.
Divers are expected to reach the plane's fuselage Thursday after bad weather thwarted several attempts over the last few days.
The investigator, who spoke on the condition of anonymity, said that a stalling alarm was heard in the cockpit voice recorder.
The report will be made available only to "countries that are involved," a senior Indonesian official said.
What can we expect from President Barack Obama's State of the Union address?
Indonesia's National Transportation Safety Committee, which is investigating the crash, will release a preliminary report on Jan. 28.
Investigators said that there is nothing in the cockpit voice recordings to indicate a terrorist link to the crash of AirAsia Flight 8501.
Two more bodies were recovered Sunday from near where the AirAsia plane's fuselage was found on the sea bed.
Attempts to reach the fuselage where bodies of victims could be trapped were hindered Thursday due to bad weather and rough seas.
MV Swift Rescue, a Singaporean vessel, reportedly captured images of the fuselage, which could be holding the bodies of several victims.
From Pope Francis to Charlie Hebdo's new issue, here's what you should read today.
Indonesia's search and rescue chief has refuted earlier reports, which cited an official, that the plane’s fuselage had been found.
The device stores information like the sounds in the cockpit and radio transmissions and will help determine the cause of the crash.
Two weeks after the plane crash, searchers have located the black box recorders, which should provide clues about what happened to the flight.
Search and rescue teams believe that a sonar scan has detected the fuselage of the crashed airliner, which was carrying 162 people when it went down.
The tail section was lifted to the surface and will be checked to see whether it contains the so-called black box.