Southwest B737 near Las Vegas on Jul 7th 2017, unreliable airspeed and altitude

Last Update: July 9, 2017 / 20:33:46 GMT/Zulu time

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Incident Facts

Date of incident
Jul 7, 2017

Classification
Incident

Flight number
WN-3641

Aircraft Registration
N929WN

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

A Southwest Airlines Boeing 737-700, registration N929WN performing flight WN-3641 from Las Vegas,NV to Cleveland,OH (USA), was enroute at FL290 about 100nm east of Las Vegas when the crew decided to return to Las Vegas, the aircraft descended to 12,000 feet. On the way back the aircraft performed several full circles while the crew talked to dispatch and maintenance. The aircraft landed safely back on Las Vegas' runway 07L about 65 minutes after departure.

A listener on frequency reported the crew reported they had no reliable airspeed and altitude indications. The crew talked to dispatch and maintenance to troubleshoot the problem.

A replacement Boeing 737-700 registration N420WN reached Cleveland with a delay of 5 hours.

The occurrence aircraft returned to service about 12 hours after landing.
Aircraft Registration Data
Registration mark
N929WN
Country of Registration
United States
Date of Registration
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TCDS Ident. No.
Manufacturer
BOEING
Aircraft Model / Type
737-7H4
Number of Seats
ICAO Aircraft Type
B737
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
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Incident Facts

Date of incident
Jul 7, 2017

Classification
Incident

Flight number
WN-3641

Aircraft Registration
N929WN

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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