Southwest B737 near Salt Lake City on Mar 9th 2020, crack in fuselage crown
Last Update: March 14, 2020 / 17:39:12 GMT/Zulu time
Incident Facts
Date of incident
Mar 9, 2020
Classification
Incident
Airline
Southwest Airlines
Flight number
WN-1685
Departure
Las Vegas, United States
Destination
Boise, United States
Aircraft Registration
N726SW
Aircraft Type
Boeing 737-700
ICAO Type Designator
B737
Late Mar 13th 2020 US East Coast time the FAA reported the cabin pressure had gradually decreased in flight. An inspection by the FAA revealed a 12inch/30cm long crack in the crown skin of the aircraft in an area, which was required to be inspected every 1500 hours already. The last inspection of that area had been done 500 flight hours before the occurrence. The FAA is investigating the occurrence, it is too early to tell whether more frequent examinations of these areas will be required.
The airline confirmed the occurrence stating the crew performed an about 6 minute descent from FL390 to FL220, at FL220 the cabin pressure was safe and the crew completed the flight at that altitude. Oxygen masks never dropped. On Friday (Mar 13th) the aircraft was in a maintenance facility at Boise undergoing repairs.
The occurrence aircraft is still on the ground in Boise on Mar 14th 2020.
In 2011 another crack in the fuselage crown caused a sudden loss of cabin pressure, see Accident: Southwest B733 near Yuma on Apr 1st 2011, hole in fuselage, sudden decompression.
Aircraft Registration Data
Incident Facts
Date of incident
Mar 9, 2020
Classification
Incident
Airline
Southwest Airlines
Flight number
WN-1685
Departure
Las Vegas, United States
Destination
Boise, United States
Aircraft Registration
N726SW
Aircraft Type
Boeing 737-700
ICAO Type Designator
B737
This article is published under license from Avherald.com. © of text by Avherald.com.
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