What caused the engine failure on Southwest Airlines Flight 1380?

Fan blade detachment impacted containment ring and D-duct assembly.

How did the crew handle the emergency situation on Southwest Airlines Flight 1380?

Crew initiated an emergency descent and diverted to Philadelphia.

Crew assisted passengers, prepared them for landing, and secured injured passengers.

Captain chose flaps five due to aircraft handling concerns.

Investigation identified detached fan blade causing unexpected damage.

Fan blade detachment in Boeing 737-700 engine led to violent roll, rapid depressurization, and controllability issues, impacting containment ring and D-duct assembly, highlighting the importance of regular inspections and redesign considerations.
Southwest Airlines Flight 1380 crew's quick response, effective communication with air traffic control, and prioritization of essential tasks during emergency descent and landing in Philadelphia showcase the critical role of crew experience, decision-making under pressure, and effective coordination in ensuring passenger safety and successful outcomes in emergency situations.

What caused the engine failure on Southwest Airlines Flight 1380?
Fan blade detachment impacted containment ring and D-duct assembly.
How did the crew handle the emergency situation on Southwest Airlines Flight 1380?
Crew initiated an emergency descent and diverted to Philadelphia.
What actions did the crew take to ensure passenger safety during the emergency landing?
Crew assisted passengers, prepared them for landing, and secured injured passengers.
Why did the captain decide to land with flaps five instead of flaps 15 during the emergency landing?
Captain chose flaps five due to aircraft handling concerns.
What was the outcome of the investigation into Southwest Airlines Flight 1380?
Investigation identified detached fan blade causing unexpected damage.

00:00

Boeing 737-700 climbing to 32,000 feet experiences engine failure, leading to a violent roll to the left and cabin depressurization.
Southwest Airlines Flight 1380 sponsored by Skillshare, involving a Boeing 737-700 with CFM56-7B engines.
Next Generation 737-700 based on 737-300 with more efficient wing and CFM56 engines with 22 wider fan blades.
Fan blades made of titanium alloy, inspected for fatigue cracking regularly.
Containment ring made of Kevlar protects fan blades during FBO event.
Engine redesign after fan blade-out test showed greater kinetic energy impact on D-duct assembly.
D-duct assembly structure includes inner and outer barrel, aerodynamic lip, and engine cowling with hinge and latches.
Southwest Airlines Flight 1380 crew includes experienced captain and first officer, with no known technical malfunctions before takeoff.
Engine failure at 32,000 feet due to fan blade detachment impacts containment ring and D-duct assembly, causing rapid depressurization.
Crew faces controllability issues, uncommanded roll, and rapid depressurization, requiring oxygen masks and focused communication.

13:25

When putting on an oxygen mask on a 737, pilots must switch from the boom position to the mask position on the audio control panel to communicate with air traffic control.
The captain quickly informs air traffic control of an engine fire and the emergency descent, despite no fire warning indication.
The crew initiates an emergency descent without informing the cabin crew due to the severity of the situation.
The crew decides to divert to Philadelphia due to its support facilities and firefighting equipment.
The captain begins going through the non-normal checklist for engine fire and severe damage, prioritizing essential tasks.
The crew maintains a lower speed during descent due to vibrations indicating possible structural issues.
Air traffic control questions the crew about the fire, leading to the crew clarifying the engine failure and single-engine status.
The crew is handed over to different air traffic controllers, with the captain eventually declaring an official mayday.
In the cabin, oxygen masks deploy, and the crew assists passengers, including a severely injured passenger near an open window.
The crew faces time pressure to complete checklists before landing, with the captain prioritizing landing over completing all checklists.

26:49

Cabin crew hears cockpit ding but can't hear due to cabin noise; later informed of window damage and injured passenger in Row 14.
Captain decides to land with flaps five instead of flaps 15 due to aircraft handling concerns; first officer suggests flaps 15 but captain insists on flaps five.
Crew opts for visual approach on Runway 27 Left in Philadelphia, facing windy conditions; receives GPWS warnings but lands safely at 11:20:33.
Cabin crew prepares passengers for emergency landing, injured passenger lying across Row 14; crew sits on floor secured by passengers during landing.
Investigation justifies crew's decision to skip checklist points; identifies detached number 13 fan blade causing unexpected damage, leading to redesign mandates and cabin crew training recommendations.