A last-minute aircraft substitution placed the crew on a different plane than originally scheduled to fly.
The report states that a fuel leak was discovered in another plane, forcing UPS to substitute N259UP, which ultimately led to the fatal crash.
Federal investigators revealed that the aircraft's left engine and pylon assembly separated from the wing immediately after takeoff rotation.
Surveillance footage showed the engine detaching before the plane entered an unrecoverable descent.
The cockpit voice recorder captured a rapid sequence of alarms and crew reactions in the seconds before impact.
Investigators found cracks in a critical bearing within the engine mount assembly which were not noticed during routine maintenance checks by the airline.
The investigation has shed light on the importance of thorough maintenance checks and the need for airlines to prioritize pilot safety.
The NTSB hearing has raised questions about the role of maintenance staff in identifying potential safety issues.
The incident serves as a reminder of the critical importance of prioritizing crew safety in aviation.
The investigation highlights the importance of thorough maintenance checks and the need for airlines to prioritize pilot safety.
