Incident at 4428N6648W


2014-12-12: UPDATE: TSB REPORT#A13A0089: The United Airlines Boeing 757 (N12109) aeroplane was en route from Newark (KEWR) to Dublin (EIDW). At approximately one hour into the flight, while in cruise, the crew was adjusting the cabin temperature when a loss of cabin pressure was experienced. The crew requested descent to 10000 feet and diverted to KEWR. Maintenance determined that one of the positive relief valves were defective. Both were replaced and after a test flight the aircraft was returned to service.
2014-12-12: A United Airlines Inc. Boeing 757 200 (UAL23) from Newark, NJ (KEWR) to Dublin Ireland (EIDW) entered QM airspace and on initial contact indicated losing cabin pressure and requested descent. The aircraft was given descent immediately but did not declare an emergency. Aircraft requested clearance to KEWR and was given routing at 10,000 feet as he regained the pressure. The pilot later declared an emergency but no assistance was required and left Moncton (QM) airspace at 0100Z. Boston control (BOS) and the Rescue Coordination Centre (RCC) were advised. There was no impact on the operation.


CADORS Number 2013A0678
Occurrence Type Incident
Reported By NAV CANADA
Occurred At 2013-07-20 - 00:45
Day or Night? Night-time
Fatalities 0
Injuries 0
Aerodrome ID
Aerodrome Name
Geographic Location New Brunswick, Canada, North America, Atlantic Region, 4428N6648W
TSB Occurrence Number A13A0089
TSB Class of Investigation Class 5
AOR Number 163660-V1
Reported By NAV CANADA
Categories System/component failure or malfunction [non-powerplant],Other

Aircraft Details (1 aircraft)

Type Aeroplane
 Silhouette image of Aeroplane
Canadian Registration
Foreign Registration
Country of Registration the United States of America
Occurrence Type Incident
Operator UNITED AIRLINES, INC. (4881) Commercial
Make  Silhouette image of BOEING
Model 757 200
Year Built
Engine Type Turbo fan
Engine Make
Engine Model
Gear Type Land
Private No
Amateur Built No
Flight Number UAL23
Flight Rule IFR
CARS Subpart 701
Phase of Flight Cruise
Damage No Damage
Fatalities 0
Injuries 0
Events Decompression/pressurization,Declared emergency/priority,Diversion

Leave a Comment