ASN Wikibase Occurrence # 147063
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| Date: | Friday 15 September 2006 |
| Time: | 10:52 UTC |
| Type: |  Airbus A319-111 |
| Owner/operator: | easyJet |
| Registration: | G-EZAC |
| MSN: | 2691 |
| Year of manufacture: | 2006 |
| Engine model: | CFMI CFM56-5B5/P |
| Fatalities: | Fatalities: 0 / Occupants: 144 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | near Nantes -
 France
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Alicante Airport (ALC/LEAL) |
| Bristol Airport (BRS) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The serious incident occurred to an Airbus A319-111 aircraft operating a scheduled passenger flight between Alicante, Spain and Bristol, UK. The aircraft had experienced a fault affecting the No 1 (left) electrical generator on the previous flight and was dispatched on the incident flight with this generator selected off and the Auxiliary Power Unit generator supplying power to the left electrical network
Attempts by the flight crew to reconfigure the electrical system proved ineffective and the aircraft systems remained in a significantly degraded condition for the remainder of the flight, making operation of the aircraft considerably more difficult. The flight crew were unable to contact air traffic control for the rest of the flight. The aircraft landed uneventfully at Bristol, with the radios and several other systems still inoperative.
The reasons why the electrical system could not be reconfigured by the flight crew could not be established. The investigation identified the following causal factors in this incident:
1. An intermittent fault in the No 1 Generator Control Unit, which caused the loss of the left electrical network;
2. An aircraft electrical system design which required manual reconfiguration of the electrical feed to the AC Essential busbar in the event of de-energisation of the No 1 AC busbar, leading to the loss or degradation of multiple aircraft systems, until the electrical system is reconfigured;
3. The inability of the flight crew to reconfigure the electrical system, for reasons which could not be established;
4. Master Minimum Equipment List provisions which allowed dispatch with a main generator inoperative without consideration of any previous history of electrical system faults on the aircraft;
5. Inadequate measures for identifying Generator Control Units repeatedly rejected from service due to repetition of the same intermittent fault.
Accident investigation:
 |
|
Sources:
https://assets.digital.cabinet-office.gov.uk/media/548acdcded915d4c0d0002a5/S9-2006_Airbus_A319-11__G-EZAC_01-07.pdf
http://www.caa.co.uk/aircraft-registration/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Jul-2012 07:20 | harro | Added |
| 20-Aug-2015 23:03 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
Corrections or additions? ... Edit this accident description
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