ASN Wikibase Occurrence # 221092
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| Date: | Monday 21 January 2019 |
| Time: | 22:00 LT |
| Type: |  Boeing 747-436 |
| Owner/operator: | British Airways |
| Registration: | G-CIVO |
| MSN: | 28849/1135 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | None |
| Location: | 100 nm N of Greater Moncton, NB -
 Canada
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Boston-Logan International Airport, MA (BOS/KBOS) |
| London-Heathrow Airport (LHR/EGLL) | |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
A Boeing 747-400 aircraft operated by British Airways, was conducting flight BA212 from Boston/General Edward Lawrence Logan Intl (KBOS), MA to London/Heathrow (EGLL), UK.
During cruise fight approximately 100 nm north of Greater Moncton/Romeo Leblanc Intl (CYQM), NB, the flight crew reported fumes in the cockpit, declared a PAN PAN, and requested a return to KBOS. The flight crew donned their oxygen masks for the duration of the flight. The fumes only became noticeable in the cabin toward the end of the flight; the passenger masks were not used.
The aircraft landed without further incident.
Extensive inspections and function checks were carried out on a number of systems/components
on the aircraft. The fumes were found to have originated from a defect or contamination within air conditioning pack number 2. The pack has been locked out, and the aircraft returned to EGLL using MEL 21-51-01 on January 23. The pack will be inspected within the 10 day period allowable for this defect in order to determine the exact cause of the issue.
Sources:
TSB A19A0006
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Jan-2019 20:16 | harro | Added |
| 08-Feb-2019 19:26 | GeoffR | Updated [Narrative] |
Corrections or additions? ... Edit this accident description
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