SAS B737 near Amsterdam on Sep 21st 2012, smoke in cockpit

Last Update: April 26, 2014 / 20:23:59 GMT/Zulu time

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Incident Facts

Date of incident
Sep 21, 2012

Classification
Incident

Cause
Smoke in cockpit

Airline
SAS Scandinavian Airlines

Flight number
SK-531

Departure
Stockholm, Sweden

Destination
London Heathrow, United Kingdom

Aircraft Registration
SE-REU

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

A SAS Scandinavian Airlines Boeing 737-700, registration SE-REU performing flight SK-531 from Stockholm (Sweden) to London Heathrow,EN (UK), was enroute at FL400 about 110nm northeast of Amsterdam (Netherlands) when the crew decided to divert to Amsterdam due to smoke emanating from a flight management system's multi function control and display unit in the cockpit. The aircraft landed safely on Schiphol Airport's runway 18C about 25 minutes later.

The remainder of the flight was cancelled.

The incident aircraft was able to position back to Stockholm as flight SK-9111 after about 4 hours on the ground in Amsterdam.

On Oct 16th 2012 Netherland's Onderzoeksraad reported they have opened an investigation into the occurrence.

In their quarterly bulletin released on Apr 25th 2014 the Onderzoekraad reported that the investigation has been terminated without a final report. The investigation so far established that the smoke originated from a Multi Function Control and Display unit (MCDU) connected to the flight management system. The smoke dissipated after the MCDU had been disconnected from electrical power. Examination by the manufacturer of the MCDU identified a faulty transistor in the power supply of the MCDU, the impact of the fault remained within the design requirements. Boeing as aircraft manufacturer concluded no further safety measures were needed arguing that the limited release of smoke does not seriously impair the crew and operation of the aircraft. Based on the available checklists, the crew testimonies the DSB concluded the crew responded adequately and quickly and effectively stopped the emission of smoke.
Aircraft Registration Data
Registration mark
SE-REU
Country of Registration
Sweden
Date of Registration
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Manufacturer
BOEING
Aircraft Model / Type
737-700
ICAO Aircraft Type
B737
Year of Manufacture
Qfeb Subscribe to unlock
Serial Number
Qiphe Subscribe to unlock
Maximum Take off Mass (MTOM) [kg]
PAbli Subscribe to unlock
Engine Count
M Subscribe to unlock
Main Owner
KnmkjclhqkdbjjA iA feg Subscribe to unlock
Incident Facts

Date of incident
Sep 21, 2012

Classification
Incident

Cause
Smoke in cockpit

Airline
SAS Scandinavian Airlines

Flight number
SK-531

Departure
Stockholm, Sweden

Destination
London Heathrow, United Kingdom

Aircraft Registration
SE-REU

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

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