Alaska B739 at Juneau and Ketchikan on Apr 18th 2017, cabin pressure problems

Last Update: April 19, 2017 / 22:46:12 GMT/Zulu time

Bookmark this article
Incident Facts

Date of incident
Apr 18, 2017

Classification
Incident

Cause
Cabin pressure problems

Airline
Alaska Airlines

Flight number
AS-176

Departure
Juneau, United States

Destination
Seattle, United States

Aircraft Registration
N305AS

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

An Alaska Airlines Boeing 737-900, registration N305AS performing flight AS-176 from Juneau,AK to Seattle,WA (USA), was climbing out of Juneau when the crew stopped the climb at FL250 due to problems with the cabin pressure but continued the flight in direction of Seattle. About 18 minutes after levelling off at FL250 the crew initiated a descent to 8000 feet due to the loss of cabin pressure and diverted to Ketchikan,AK (USA) for a safe landing about 40 minutes after departure from Juneau.

A passenger reported the captain announced after boarding that there was a malfunction of the air conditioning system and there would be delay of 20 minutes, 40 minutes later another delay of 20 minutes was announced, about 30 minutes later the captain announced it would be at least one hour and permitted the passengers to disembark into the departure lounge. The aircraft was finally able to depart with a delay of 2:40 hours. About 30 minutes into the flight the crew announced cabin pressure had been lost and they were diverting to Ketchikan. They needed to stay in Ketchikan over night.

The occurrence aircraft had been involved in a similiar occurrence 8 days earlier already, see Incident: Alaska B739 near Portland on Apr 10th 2017, cabin pressure problems.
Aircraft Registration Data
Registration mark
N305AS
Country of Registration
United States
Date of Registration
Ffqbpmhlidlb Subscribe to unlock
Manufacturer
BOEING
Aircraft Model / Type
737-990
Number of Seats
Kcq Subscribe to unlock
ICAO Aircraft Type
B739
Year of Manufacture
Db g Subscribe to unlock
Serial Number
Mdifk Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
Nbfb A Subscribe to unlock
Engine Count
B Subscribe to unlock
Engine Manufacturer
JeAfnnehg Subscribe to unlock
Engine Model
Mpgp eqcccmk Subscribe to unlock
Engine Type
Jiiepbklc Subscribe to unlock
Main Owner
liccpbn l iAi biAkhnclmdc jhnbedkbqienAeel dhdmkdehAq gqpngbbbcllcjpcgglicknl qfehncdkkhcbfhbqhAb bfphmf Subscribe to unlock
Incident Facts

Date of incident
Apr 18, 2017

Classification
Incident

Cause
Cabin pressure problems

Airline
Alaska Airlines

Flight number
AS-176

Departure
Juneau, United States

Destination
Seattle, United States

Aircraft Registration
N305AS

Aircraft Type
Boeing 737-900

ICAO Type Designator
B739

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