LN-RPSBOEING 7372012-04-04 NTSB Accident Report

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BOEING 737

Summary

On April 04, 2012, a Boeing 737 (LN-RPS) was involved in an incident near Umea, SW. All 122 people aboard were uninjured.

On April 4, 2012, at approximately 0950 UTC, a B737-600, registration LN-RPS, operated by Scandinavian Airlines, experienced a failure of the left bleed system while climbing through flight level (FL) 370. The climb continued with only the right system operational to FL410. While at FL410, the right bleed system also failed. An emergency descent to 10,000 feet was initiated, and oxygen masks were deployed. The flight diverted to Umeå, Sweden(ESNU). There was no damage to the aircraft and no injuries to the 6 crew and 116 passengers.

The investigation is being conducted by the Swedish Accident Investigation Authority.

This incident is documented in NTSB report DCA12WA061. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft LN-RPS.

Accident Details

Date
Wednesday, April 4, 2012
NTSB Number
DCA12WA061
Location
Umea, Sweden
Event ID
20120411X33014
Aircraft Damage
Unknown
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
122
Total Aboard
122

Aircraft Information

Registration
Make
BOEING
Engine Type
Turbo-jet
Model / ICAO
737B37M
Aircraft Type
Fixed Wing Multi Engine
No. of Engines
2

Analysis

On April 4, 2012, at approximately 0950 UTC, a B737-600, registration LN-RPS, operated by Scandinavian Airlines, experienced a failure of the left bleed system while climbing through flight level (FL) 370. The climb continued with only the right system operational to FL410. While at FL410, the right bleed system also failed. An emergency descent to 10,000 feet was initiated, and oxygen masks were deployed. The flight diverted to Umeå, Sweden(ESNU). There was no damage to the aircraft and no injuries to the 6 crew and 116 passengers.

The investigation is being conducted by the Swedish Accident Investigation Authority. The NTSB has appointed an Accredited Representative to assist the investigation under the provisions of ICAO Annex 13 as the State of Manufacture and Design of the airplane.

All inquiries should be directed to the Swedish Accident Investigation Authority at:

Swedish Accident Investigation Board

P.O. Box 12538

SE-102 29 Stockholm

Website: http://www.havkom.se

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# DCA12WA061