Delta B752 enroute on Nov 29th 2015, cabin pressure problems

Last Update: December 11, 2015 / 21:47:53 GMT/Zulu time

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Incident Facts

Date of incident
Nov 29, 2015

Classification
Incident

Cause
Cabin pressure problems

Airline
Delta Airlines

Flight number
DL-1088

Departure
Anchorage, United States

Destination
Minneapolis, United States

Aircraft Registration
N673DL

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

A Delta Airlines Boeing 757-200, registration N673DL performing flight DL-1088 (Dep Nov 28th) from Anchorage,AK to Minneapolis,MN (USA) with 186 people on board, was enroute at FL370 about 80nm eastnortheast of Fort Nelson,BC (Canada) when the crew noticed the cabin altitude was climbing at about 2000 fpm. The crew donned their oxygen masks and initiated an emergency descent. While descending throgh FL330 the crew noticed a #1 auto pressurization indication and switched to the #2 cabin pressure system. The cabin altitude, that had already climbed above 10,000 feet, began to decrease again, the crew levelled off at FL270 as the cabin pressure returned to normal. After consulting with company dispatch and maintenance it was decided to continue the flight to destination, the aircraft climbed back to FL310 and FL330 and landed safely in Minneapolis without further incident.

The Canadian TSB reported that after landing the #1 lower pressure relief valve was found open. The #1 lower pressure relief valve, #1 cabin pressure controller, outflow valve and outflow valve actuator were replaced.
Aircraft Registration Data
Registration mark
N673DL
Country of Registration
United States
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
757-232
Number of Seats
Iql Subscribe to unlock
ICAO Aircraft Type
B752
Year of Manufacture
K ml Subscribe to unlock
Serial Number
Biecb Subscribe to unlock
Aircraft Address / Mode S Code (HEX)
d dkl Subscribe to unlock
Engine Count
B Subscribe to unlock
Engine Manufacturer
Ih ipbmgm Subscribe to unlock
Engine Model
Mqnhe Subscribe to unlock
Engine Type
Enbckib g Subscribe to unlock
Pounds of Thrust
Cppje Subscribe to unlock
Main Owner
Dmq gpjkenigdqAlmgpnmpAjebbpq hqgbqhlAegchmj pmdbeepee qbklhllfqhff hpgjdcjhnmpqeqdbdlbmpdhej klhlA pAhckiinbenqncpee Subscribe to unlock
Incident Facts

Date of incident
Nov 29, 2015

Classification
Incident

Cause
Cabin pressure problems

Airline
Delta Airlines

Flight number
DL-1088

Departure
Anchorage, United States

Destination
Minneapolis, United States

Aircraft Registration
N673DL

Aircraft Type
Boeing 757-200

ICAO Type Designator
B752

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