Texas plane crash latest: Officials say airplane had not flown in 10 months

Investigators say the private jet that crashed through an airport fence and burst into flames at a Texas airport had not been flown since December. 

BACKGROUND: Texas plane crash latest: Plane was headed to Boston; all onboard survive, 2 hospitalized

The National Transportation Safety Board said Thursday that it is looking into maintenance work done on the plane that crashed in Waller County

NTSB spokesperson,  Michael Graham also says that tire marks on the runway indicate that pilots were braking hard and tried to abort the takeoff when the accident happened Tuesday morning. 

MORE: Federal investigators looking into fiery Texas plane crash headed to Boston

All 21 people on board escaped the fiery jet and only two of them suffered minor injuries. 

The jet was owned by a Houston-area investment firm.