Event Details

Title:Smoke warnings on approach to Shannon, World Airways DC-10-30 N526MD, February 14, 2002
Micro summary:Smoke on descent followed by cargo fire warnings on this DC-10-30 were caused by a ruptured #2 pneumatics duct.
Event Time:2002-02-14 at 1702 UTC
File Name:2002-02-14-IE.PDF
Publishing Agency:Air Accident Investigation Unit (AAIU)
Publishing Country:Ireland
Report number:2003/002
Site of event:Descent to Shannon
Destination:Shannon International Airport, Shannon, Ireland
Airplane Type(s):McDonnell Douglas DC-10-30
Flight Phase:Descent
Operator(s):World Airways
Type of flight:Cargo
Serious Injuries:0
Other Injuries:0
Executive Summary:The cargo aircraft was in a descent to Shannon and was about 10 minutes out when the yellow smoke caution and the Captains “master caution” light illuminated in the cockpit. The No.2 pneumatic manifold failure light then illuminated quickly followed by a cargo area fire warning light and Captains master fire warning light. The Captain declared an emergency and ATC notified the Airport Fire Services. As the aircraft came to a halt on Runway 24 (RWY 24) it was met by sections of this Service. Immediate evacuation of the crew of the aircraft and two passengers was made using a crash rescue ladder and exiting through the front LH door. When the smoke cleared it was found that the air bleed duct of the No.2 engine had ruptured and the impinging hot air charred the insulation, generating the smoke in the process. There were no injuries.

The cause of the duct rupture was due to hydrogen embrittlement which in turn had been caused by the presence of a quantity of decomposed hydraulic fluid
Learning Keywords:Operations - Cabin or Cockpit Smoke
Operations - Evacuation
Systems - Pneumatics
Close match:Smoke emergency, Final Report of the Aircraft Accident Investigation Bureau concerning the incident with the aircraft Boeing 737-500, G-MSKB on 12 August 1999 at Geneva-Airpor


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