ASN Wikibase Occurrence # 270721
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| Date: | Friday 2 July 2021 |
| Time: | 09:45 UTC |
| Type: |  Boeing 777-336ER |
| Owner/operator: | British Airways |
| Registration: | G-STBA |
| MSN: | 40542/879 |
| Year of manufacture: | 2010 |
| Engine model: | General Electric GE90-115B |
| Fatalities: | Fatalities: 0 / Occupants: 16 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | London-Heathrow Airport (LHR/EGLL) -
 United Kingdom
|
| Phase: | Standing |
| Nature: | Cargo |
| Departure airport: | London-Heathrow Airport (LHR/EGLL) |
| Mumbai-Chhatrapati Shivaji International Airport (BOM/VABB) | |
| Investigating agency: | AAIB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During the pre-start procedures of British Airways flight BA139, a FIRE CARGO AFT warning illuminated, and the fire bell audio warning sounded. When the additional co-pilot went outside to check, a cabin crew reported to the commander that there were acrid fumes in the passenger cabin.
The crew were advised by RFFS to conduct a rapid disembarkation via an airbridge. One cabin crew member suffered minor injuries during the disembarkation.
=Conclusion=
A short circuit in the battery pack of a refrigerated container loaded in the aircraft aft cargo hold caused heating of cables in the pack and, therefore, smoke to be produced. The smoke was detected by the aircraft fire detection systems and a FIRE CARGO AFT warning was triggered. The crew disembarked through the boarding door.
=Damage to airframe=
Per the above AAIB report, no damage was sustained. The aircraft had no passengers on board at the time of the incident, but there were 16 crew, one of whom sustained minor injuries.
=Safety actions taken by the container manufacturer and the operator
● The container manufacturer decided to consider reinforcing the battery attachment and, if necessary, make modifications to improve the functionality and safety of the container.
● The operator decided to consider introducing a comprehensive damage check on all similar containers before they are loaded onto aircraft.
Accident investigation:
 |
|
Sources:
1. AAIB Final Report: https://assets.publishing.service.gov.uk/media/618a96bb8fa8f52981d40f92/Boeing_777-336ER_G-STBA_12-21.pdf
2. AAIB Annual Safety Review 2021 p.95: https://assets.publishing.service.gov.uk/media/62a1c1b1e90e070396c9f75d/Annual_Safety_Review_2021.pdf
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Dec-2021 12:51 | harro | Added |
| 15-Dec-2021 12:52 | harro | Updated [Narrative] |
| 13-Mar-2022 16:50 | Dr. John Smith | Updated [Total occupants, Nature, Source, Embed code, Narrative, Category] |
| 14-Jun-2022 16:49 | Dr. John Smith | Updated [Source, Narrative] |
| 14-Jun-2022 16:50 | Dr. John Smith | Updated [Source] |
| 14-Jun-2022 16:51 | Dr. John Smith | Updated [Source] |
| 14-Jun-2022 16:52 | Dr. John Smith | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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