First B734 near Winnipeg on Jun 2nd 2019, bleed valves and circuit breakers

Last Update: June 7, 2019 / 20:14:47 GMT/Zulu time

Bookmark this article
Incident Facts

Date of incident
Jun 2, 2019

Classification
Incident

Airline
First Air

Flight number
7F-702

Departure
Winnipeg, Canada

Destination
Rankin Inlet, Canada

Aircraft Registration
C-FFNE

Aircraft Type
Boeing 737-400

ICAO Type Designator
B734

A First Air Boeing 737-400, registration C-FFNE performing flight 7F-702 from Winnipeg,MB to Rankin Inlet,NU (Canada) with 50 passengers and 4 crew, was climbing out of Winnipeg when the crew noticed the bleed air valve #1 did not activate and the associated circuit breaker had tripped. The aircraft was enroute at FL310 about 100nm north of Winnipeg, when the crew decided to return to Winnipeg after the circuit breaker had been reset but popped a second time and after consultation with dispatch and maintenance. After turning back the crew noticed the cabin altitude had climbed to 11,000 feet, the crew worked the related checklist and performed an emergency descent. The aircraft landed safely but overweight back in Winnipeg about 50 minutes after departure.

The Canadian TSB reported maintenance found a chafed wiring to the #1 bleed air valve. The wires were replaced and an overweight landing inspection conducted.
Aircraft Registration Data
Registration mark
C-FFNE
Country of Registration
Canada
Date of Registration
G gmqhlpfigkq Subscribe to unlock
Certification Basis
Mb bkA igdnp pffe qkAnnfdbjjdAlbcnbmmfpgA leip Subscribe to unlock
TCDS Ident. No.
Ajbp Subscribe to unlock
Manufacturer
Boeing
Aircraft Model / Type
737-406
ICAO Aircraft Type
B734
Year of Manufacture
NpgA Subscribe to unlock
Serial Number
Hcqgd Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
JibAee Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
Ifcli Subscribe to unlock
Engine Count
C Subscribe to unlock
Engine Type
Epfg nAmm Subscribe to unlock
Main Owner
H jl kAinpldhcfnlmmhqjjAggpnkjikfikpgnjdndppdhghklbhmgcncclbcfq mnnheknfjhcA Subscribe to unlock

Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Jun 2, 2019

Classification
Incident

Airline
First Air

Flight number
7F-702

Departure
Winnipeg, Canada

Destination
Rankin Inlet, Canada

Aircraft Registration
C-FFNE

Aircraft Type
Boeing 737-400

ICAO Type Designator
B734

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

You can read 2 more free articles without a subscription.

Subscribe now and continue reading without any limits!

Subscribe now
Are you a subscriber? Login
Subscribe

Read unlimited articles and receive our daily update briefing. Gain better insights into what is happening in commercial aviation safety.

Compare our plans

Send tip

Support AeroInside by sending a small tip amount.

Send tip

Related articles

Newest articles

Subscribe today

Are you researching aviation incidents? Get access to AeroInside Insights, unlimited read access and receive the daily newsletter.

Pick your plan and subscribe

Partner

Blockaviation logo

A new way to document and demonstrate airworthiness compliance and aircraft value. Find out more.

ELITE Logo

ELITE Simulation Solutions is a leading global provider of Flight Simulation Training Devices, IFR training software as well as flight controls and related services. Find out more.

Blue Altitude Logo

Your regulation partner, specialists in aviation safety and compliance; providing training, auditing, and consultancy services. Find out more.

AeroInside Blog
Popular aircraft
Airbus A320
Boeing 737-800
Boeing 737-800 MAX
Popular airlines
American Airlines
United
Delta
Air Canada
Lufthansa
British Airways