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ASN Wikibase Occurrence # 177206
Last updated: 20 May 2020
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Date:14-FEB-2011
Time:
Type:Silhouette image of generic B77W model; specific model in this crash may look slightly different
Boeing 777-31HER
Owner/operator:Emirates
Registration: A6-ECE
C/n / msn: 35575/681
Fatalities:Fatalities: 0 / Occupants: 361
Other fatalities:0
Aircraft damage: None
Category:Incident
Location:nr Stockholm -   Sweden
Phase: En route
Nature:International Scheduled Passenger
Departure airport:Dubai International Airport (DXB)
Destination airport:New York-J.F. Kennedy International Airport (JFK)
Investigating agency: GCAA UAE
Narrative:
The Emirates Airline Boeing 777-300ER, registration A6-ECE, was operating a scheduled passenger flight EK203, from Dubai International Airport, UAE, to New York-J.F. Kennedy International Airport (JFK), USA. En route the cabin crew reported a smell of burning rubber and sulphur in the aft cabin area.
Other crew members identified the odor as being like a rotten egg smell. The smell subsided and then returned from cabin air vents near the over wing area.
The flight crew, in consultation with the Operatorís Maintenance Control Centre (MCC), isolated the recirculation fans, galley equipment and the In Flight Entertainment (IFE) system.
However, the smell continued to progress and intensified towards the forward cabin and flight deck. The flight crew elected to divert the flight to Stockholm, Arlanda Airport. The 'Smoke Fire Fumes' checklist was completed and 43 tons of fuel was jettisoned. During descent an IFE 'Cooling Fan' status message activated. The aircraft landed uneventfully at maximum landing weight. Following investigation engineering isolated the IFE cooling fan, and the aircraft was released for flight.
During the subsequent sector, from Stockholm (Arlanda) to New York (John F. Kennedy International Airport), shortly after level off at FL300, the cabin crew again reported the smell. After consultation with MCC, the right pack was turned off in order to isolate the ozone system.
After a few minutes the smell subsided and the flight continued uneventfully.
During the unexpected events that occurred on the flights from Dubai, to Stockholm and onwards to New York, the crew members reported that cooperation was good, with leadership providing and receiving information at an optimum rate. After landing at JFK, the right hand pack lower flow control valve was deactivated in the closed position in order to isolate the ozone converter. Both air-conditioning packs were operated on the ground and no further anomalies were noted.
On the third sector, the smell of fumes returned once again. After consultation with the Operatorís MCC, the crew turned off the right air-conditioning pack and the flight then continued normally. Subsequent flights were all odor free.

Cause:
This investigation was unable to determine the cause of the disturbing odor in the passenger cabin.

Sources:

https://www.gcaa.gov.ae/en/ePublication/admin/iradmin/Lists/Incidents%20Investigation%20Reports/Attachments/63/2011-2011%20-Summary%20Report%20of%20AIFN-0009-2011%20-%20A6-ECE%20-%20Incident.pdf

Accident investigation:
cover
  
Investigating agency: GCAA UAE
Status: Investigation completed
Duration:
Download report: Final report


Images:

Photo of A6-ECE courtesy AirHistory.net


Glasgow - International (EGPF / GLA)
19 December 2018; (c) Lewis Grant

Revision history:

Date/timeContributorUpdates
22-Jun-2015 20:02 harro Added
22-Jun-2015 20:08 harro Updated [Narrative]

Corrections or additions? ... Edit this accident description