United B39M near Denver on Jun 25th 2023, smell of smoke

Last Update: June 28, 2023 / 16:23:56 GMT/Zulu time

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Incident Facts

Date of incident
Jun 25, 2023

Classification
Incident

Airline
United

Flight number
UA-573

Departure
Denver, United States

Destination
San Francisco, United States

Aircraft Registration
N37535

Aircraft Type
Boeing 737-900MAX

ICAO Type Designator
B39M

A United Boeing 737-9 MAX, registration N37535 performing flight UA-573 from Denver,CO to San Francisco,CA (USA), was enroute at FL240 about 120nm west of Denver when the crew decided to return to Denver due to the smell of smoke on board. The crew later advised they were planning to taxi to the apron, just wanted emergency services to have a look at the aircraft to verify everything looked normal, the crew requested and was approved to maintain high speed until landing. The aircraft landed safely back on Denver's runway 16L about 45 minutes after departure.

The electronics bay of the aircraft was inspected after landing.

The airline told passengers that an indicator light on the flight deck illuminated requiring maintenance.

A replacement Boeing 737-900 registration N36469 reached San Francisco with a delay of about 5.5 hours. The subsequent sector to Seattle was cancelled.

The occurrence aircraft remained on the ground for 59 hours, then performed a test flight but is still on the ground in Denver about 15 hours after landing back from the test flight.
Aircraft Registration Data
Registration mark
N37535
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
737-9
Number of Seats
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ICAO Aircraft Type
B39M
Year of Manufacture
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Serial Number
Befhk Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
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Engine Count
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Engine Manufacturer
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Engine Model
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Engine Type
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Pounds of Thrust
Llmbh Subscribe to unlock
Main Owner
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Incident Facts

Date of incident
Jun 25, 2023

Classification
Incident

Airline
United

Flight number
UA-573

Departure
Denver, United States

Destination
San Francisco, United States

Aircraft Registration
N37535

Aircraft Type
Boeing 737-900MAX

ICAO Type Designator
B39M

This article is published under license from Avherald.com. © of text by Avherald.com.
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