Former investigators of the TWA Flight 800 crash off Long Island are calling on the National Transportation Safety Board to re-examine the case.

A 93-foot section of the TWA Flight 800 fuselage at the NTSB Academy in Virginia (Mark Wilson/Getty Images)

The retired investigators claim that findings were "falsified" and will file a petirion to reopen the investigation.

A documentary on the subject is coming out on July 17, the seventeenth anniversary of the crash and will air on EPIX. A producer on the documentary tells CNN that "one or more ordnance explosions outside the aircraft caused the crash."

"These investigators were not allowed to speak to the public or refute any comments made by their superiors and/or NTSB and FBI officials about their work at the time of the official investigation," said a press release for the documentary.

The documentary believes that a ""trifecta of elements" including forensic evidence, first-hand sources & witnesses and the investigators will make the case.

The six include Hank Hughes, a senior accident investigator who helped reconstruct the plane in a Long Island hanger and Bob Young, a TWA investigator who was part of the Flight 800 probe according to CNN.

The 1996 crash of the Paris-bound flight killed all 230 people on board including seven people from New Jersey.

Initial speculation ranged from maintenance problems to a bomb and even a meteorite. Some critics theorized that a Navy missile accidentally brought down the jetliner. Many witnesses reported seeing a streak of light rising into the night sky that night but the NTSB dismissed it as burning fuel streaming from the plane's wing tank.

The NTSB concluded that Flight 800 was destroyed by a center fuel tank explosion, probably caused by a spark from a short-circuit in the wiring.

The agency said Wednesday its four-year probe remains one of its "most detailed investigations."

The board said it would review any petition it receives from the documentary's producers.

The Associated Press contributed to this report