They could hold crucial data as to why the plane dropped suddenly.
The missing footage is hampering the investigation into the accident.
Boeing is expected to release a message to 787 operators regarding the incident.
The mid-air chaos unfolded when the aircraft was about two hours into its flight from Sydney to Auckland.
The plane was grounded overnight.
People en route to Auckland were thrown out of their seats and into the ceiling after the plane experienced a "sudden drop".
"I have never heard of so many people being injured."
"People were flying around and everything was super scary."
Two have been transported to Middlemore Hospital.