ASN Wikibase Occurrence # 240239
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| Date: | Sunday 15 April 2018 |
| Time: | 09:05 |
| Type: |  Airbus A330-202 |
| Owner/operator: | Qantas |
| Registration: | VH-EBR |
| MSN: | 1251 |
| Year of manufacture: | 2011 |
| Engine model: | GE CF6-80E1A4 |
| Fatalities: | Fatalities: 0 / Occupants: 277 |
| Aircraft damage: | Minor |
| Category: | Incident |
| Location: | 44 km north-east of Gold Coast Airport, QLD -
 Australia
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Brisbane International Airport, QLD (BNE/YBBN) |
| Auckland International Airport (AKL/NZAA) | |
| Investigating agency: | ATSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Shortly after departure from Brisbane Airport on a scheduled flight to Auckland on 15 April 2018, the flight crew of a Qantas Airbus A330-200 received an advisory notification indicating excessive vibration from the left engine. The crew reduced thrust on the left engine to idle, and the noise and vibrations ceased.
The crew elected to return to Brisbane, where the aircraft landed uneventfully. The thrust on the left engine remained at idle during the air turn back.
ATSB Findings:
Contributing factors
- A worn stator lever arm bushing resulted in fretting damage, initiation of a fatigue crack, and fracture of the lever arm.
- The fracture of the lever arm led to an off-schedule variable stator vane, which created turbulent airflow within the engine compressor section. This turbulent airflow led to the failure of a compressor blade at the blade root, due to high-cycle fatigue.
- The operator had conducted three non-mandatory inspections of the variable stator vane system since the engine's last overhaul. Despite these inspections being conducted
Accident investigation:
 |
|
Sources:
ATSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Aug-2020 05:52 | harro | Added |
Corrections or additions? ... Edit this accident description
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