The flight attendants retrieved portable oxygen bottles and began moving through the cabin to calm passengers and assist them with their masks. Somalt said airline pilots are trained in engine failure, … The flight crew conducted an emergency descent and diverted into Philadelphia International Airport (KPHL), Philadelphia, Pennsylvania. One piece was part of the blade airfoil root that mated with the dovetail that remained in the fan disk; it was about 12 inches spanwise and full width and weighed about 6.825 pounds.
They have removed the side wall to take a look at the fuselage denting from the inside.Somalt said airline pilots are trained in engine failure, rapid decompression and emergency landings.
The NTSB has published the final report on Southwest Flight 1380, whose left-side CMF56 engine suffered a failure that led to one fatality in April 2018. (See figure 1. Fragments from the engine inlet and cowling struck the wing and fuselage, resulting in a rapid depressurization after the loss of one passenger window. NTSB structure group is working to determine how the window came out.
Figure 4. The fracture surface was further examined using a scanning electron microscope, and striations consistent with low-cycle fatigue crack growth were observed.The accident engine fan blades had accumulated more than 32,000 engine cycles since new. The EAD required that within 20 days of issuance that all CFM56-7B engine fan blade configurations to be ultrasonically inspected for cracks per the instructions provided in CFM International SB 72-1033, and, if any crack indications were found, the affected fan blade must be removed from service before further flight. Left Engine Failure and Subsequent Depressurization, Southwest Airlines Flight 1380, Boeing 737-7H4, N772SW The NTSB issued seven recommendations in the Southwest Flight 1380 report with most pointed toward the Federal Aviation Administration. The National Transportation Safety board held an investigative hearing Wednesday to discuss the facts around the April 17 accident where a passenger died on Southwest flight 1380 … Boeing 737-7H4, N772SW . The captain initially was planning on a long final approach to make sure they completed all the checklists, but when they learned of the passenger injuries, she decided to shorten the approach and expedite landing.A cockpit voice recorder (CVR) group was convened and has completed a draft transcript of the entire event. "Copyright © 2020 CBS Interactive Inc. All rights reserved. Of the 144 passengers and five crewmembers onboard, one passenger received fatal injuries and eight passengers received minor injuries. (See figure 3.)
According to preliminary findings from the NTSB, metal fatigue in a fan blade was a major factor that caused Southwest Flight 1380's blade to break off mid-flight, tearing through the left engine and sending shrapnel through a window. Southwest Airlines Flight 1380 Engine Video - NTSB - YouTube It's easier and less annoying to just note which way the spinner is pointing. The agency made one recommendation to Southwest. A large gouge impact mark, consistent in shape to a recovered portion of fan cowl and latching mechanism, was adjacent to the row 14 window (see figure 4; the window was entirely missing. During interviews, the flight attendants and the employee reported that they heard a loud sound and experienced vibration. The former Naval aviator and pilot of the Southwest Airlines Boeing 737 operating as Flight 1380 was called to action when a fan blade broke off from the big turbofan engine on the left side of the twinjet. Two pieces of fan blade No. Two male passengers helped and were able to bring the passenger in.During interviews, the flight crew stated the climbout from LaGuardia was normal with no indications of any problems; the first officer was the pilot flying and the captain was the pilot monitoring. 13, which resulted in the fan blade separating in flight and impacting the engine fan case at a location that was critical to the structural integrity and performance of the fan cowl structure. Passenger who died was seated in row 14. At the time each of these fan blade lubrications occurred, the the fan blade dovetail was visually inspected as required for the fan blades installed in the accident engine.The NTSB materials group is working to estimate the number of cycles associated with fatigue crack initiation and propagation in the No. The airplane sustained substantial damage.
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