Original sentence: According to FAA certification standards, operating at or below Va does not cause structural damage at full control deflection.Dozens of eye witnesses reported an explosion/fire prior to the separation of the vertical stabilizer, indicating a more severe problem may have existed before the crew lost control of the aircraft.Families and friends of those deceased in the accident have asked for an independent investigation of events as the NTSB has dismissed eye witness accounts entirely, which may have led to false interpretation of FDR and CVR data.In addition, the NTSB has consistently dismissed all eye witness accounts as unreliable
Edited sentence: According to FAA ceritfication standards, operating at or below Va does not cause structural damage at full control deflection.Dozens of eye witnesses reported an explosion/fire prior to the sepearation of the vertical stabilizer, indicating a more severe problem may have existed before the crew lost control of the aircraft.Families and friends of those deceased in the accident are encouraged to write to congress demanding an independent investigation of events as the NTSB has dismissed eye witness accounts entirely, which may have lead to false interpretation of FDR and CVR data.In addition, the NTSB has consistently dimissed all eye witness accounts as unreliable