ASN Wikibase Occurrence # 267570
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| Date: | Saturday 22 May 2021 |
| Time: | 6:55 |
| Type: |  Airbus A320-214 |
| Owner/operator: | Bulgaria Air |
| Registration: | LZ-FBC |
| MSN: | 2540 |
| Year of manufacture: | 2005 |
| Engine model: | CFMI CFM56-5B4/P |
| Fatalities: | Fatalities: 0 / Occupants: 139 |
| Aircraft damage: | None |
| Category: | Serious incident |
| Location: | near Sofia -
 Bulgaria
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Sofia-Vrazhdebna Airport (SOF/LBSF) |
| Sharm el Sheikh | |
| Investigating agency: | AAIU Bulgaria |
| Confidence Rating: |  Accident investigation report completed and information captured |
Bulgaria Air flight FB8509, an Airbus A320-214 aircraft, had just departed Sofia Airport, Bulgaria, when at
FL225 engine no.1 was shut down. The flight crew declared PAN PAN and returned to Sofia for a safe landing on runway 27.
Root cause:
- Violations in the technological process by Lufthansa Technik Sofia personnel during the replacement of the fuel pump of the left engine of the aircraft A320-214 with registration LZ-FBC;
Underlying cause:
- Absence of comprehensive flight control by crew of engine parameters during take-off and climb in terms of comparison of rotor speed, exhaust temperature and fuel consumption;
- Lack of awareness of the flight crew of the work performed during the servicing of the aircraft before the flight.
Accident investigation:
 |
|
Sources:
BFU21-0359-FX
AAIU
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Sep-2021 12:50 | ASN archive | Added |
| 31-Oct-2022 08:46 | harro | Updated [Aircraft type, Registration, Cn, Operator, Total occupants, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative, Accident report] |
Corrections or additions? ... Edit this accident description
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