Westjet B737 at Comox on Jul 23rd 2023, flaps asymmetry and fuel emergency

Last Update: August 4, 2023 / 16:09:11 GMT/Zulu time

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Incident Facts

Date of incident
Jul 23, 2023

Classification
Incident

Flight number
WS-309

Destination
Comox, Canada

Aircraft Registration
C-FWSV

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

A Westjet Boeing 737-700, registration C-FWSV performing flight WS-309 from Calgary,AB to Comox,BC (Canada) with 120 passengers and 5 crew, was on a RNP approach to Comox's runway 30 when the crew selected the flaps to 15 degrees but received indication of a trailing edge flaps asymmetry. The performed a missed approach, declared PAN PAN and entered a hold, then worked the related checklist. After leaving the hold the crew declared MAYDAY due to fuel quantity on board and worked the low fuel checklist. The aircraft landed on runway 30 about 30 minutes after the flaps asymmetry indication.

The Canadian TSB reported 3300 lbs of fuel were remaining on shutdown of the aircraft. Maintenance found the trailing edge flap indicator and the alternate flap drive motor inoperative, both were replaced.
Aircraft Registration Data
Registration mark
C-FWSV
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Boeing
Aircraft Model / Type
737-7CT
ICAO Aircraft Type
B737
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Jul 23, 2023

Classification
Incident

Flight number
WS-309

Destination
Comox, Canada

Aircraft Registration
C-FWSV

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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