ASN Wikibase Occurrence # 172569
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| Date: | 12-DEC-2014 |
| Time: | |
| Type: |  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: | - |
| - | |
| Investigating agency: | GCAA UAE |
| Confidence Rating: |
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:
 |
|
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/time | Contributor | Updates |
|---|---|---|
| 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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