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ASN Wikibase Occurrence # 172569
 
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Date:12-DEC-2014
Time:
Type:Silhouette image of generic A388 model; specific model in this crash may look slightly different
Airbus A380-861
Owner/operator:Emirates
Registration: A6-EDD
MSN: 020
Fatalities:Fatalities: 0 / Occupants: 0
Other fatalities:0
Aircraft damage: Minor
Category:Incident
Location:Dubai Airport (DXB/OMDB) -   United Arab Emirates
Phase: Standing
Nature:-
Departure airport:-
Destination airport:-
Investigating agency: GCAA UAE
Confidence Rating:
Narrative:
The plane was undergoing A-check maintenance at Dubai. After engine runs, the aircraft had heavy electrical arcing of a Residual Current Circuit Breaker (RCCB) located on the main Primary Electrical Power Distribution Center (PEPDC) electrical center, forward cargo, that led to smoke and burning/damage of surrounding structure.
Last flight before maintenance was on December 10. By December 29 the airplane was not yet back in service.

Causes:
The Air Accident Investigation Sector determines that the smoke and melting of the remote control circuit breaker was due to a short circuit of RCCB 991JV6 caused by an unheeded significant buildup of dust and fluid conductor mixture between phases B1 and C1 of RCCB 991JV6.

Contributing Factors to the Incident:
(a) Toilet and waste system spillage from the forward cabin above the PEPDC.
(b) Deterioration of the PEPDC umbrella fluid protection allowing fluid to contaminate the PEPDC.
(c) Exposed phase screws of RCCB 991JV6 that allowed dust and fluid to collect.
(d) Service information letter (SIL) 24-088) had not been implemented by the Operator.

Sources:

http://www.bea.aero/fr/enquetes/2014/2014.semaine.52.pdf

Accident investigation:
cover
  
Investigating agency: GCAA UAE
Status: Investigation completed
Duration:
Download report: Final report
Other occurrences involving this aircraft

8 Feb 2019 A6-EDD Emirates 0 Barcelona El Prat Airport min
29 Jun 2019 A6-EDD Emirates 0 Osaka/Kansai International Airport (KIX/RJBB) min


Images:

Photo of A6-EDD courtesy AirHistory.net


London - Heathrow (EGLL / LHR)
22 June 2018; (c) Dean Gibbs

Revision history:

Date/timeContributorUpdates
29-Dec-2014 20:38 harro Added
29-Dec-2014 20:39 harro Updated [Source]
14-Feb-2016 09:08 harro Updated [Narrative]

Corrections or additions? ... Edit this accident description

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