According to the Colombian Government's report regarding this accident, the bomb explosion itself did not compromise the structural integrity of the airplane; however, the explosion punctured the CWT and ignited the Jet A fuel/air vapor in the ullage, resulting in the destruction of the airplane.
2000 August 23, National Transportation Safety Board, “1.18.1 Accident Record and History of Fuel Tank Fires/Explosions on Airplanes”, in Aircraft Accident Report: In-flight Breakup Over the Atlantic Ocean, Trans World Airlines Flight 800, Boeing 747-131, N93119, Near East Moriches, New York, July 17, 1996, archived from the original on 11 July 2022, page 180