ASN Wikibase Occurrence # 211456
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| Date: | Monday 22 March 1999 |
| Time: | 19:46 |
| Type: |  Boeing 767-238ER |
| Owner/operator: | Qantas |
| Registration: | VH-EAN |
| MSN: | 23402/133 |
| Year of manufacture: | 1986 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Minor |
| Location: | 56km E of Cowra, NSW -
 Australia
|
| Phase: | Initial climb |
| Nature: | Passenger - Scheduled |
| Departure airport: | Sydney-Kingsford Smith International Airport, NSW (SYD/YSSY) |
| YPPH | |
| Confidence Rating: |  Accident investigation report completed and information captured |
Approximately 21 minutes after departure while the Boeing 767 was passing through flight level (FL) 285 on climb to FL310, a loud bang sound was heard from the right engine. Cabin crew and passengers reported a flash and sparks from the rear of the engine. The pilot reported an immediate drop in the right engine pressure ratio (EPR) and a rise in the exhaust gas temperature (EGT). A moderate vibration was felt through the airframe.
The crew actioned the engine surge/stall checklist but as the EGT continued to increase, the engine severe damage/separation checklist was actioned and the right engine was shut down. The engine fire bottles were not discharged.
The crew made a PAN call stating that the right engine had failed and requested a descent to FL240 and a return to Sydney. The pilot reduced speed to 240 kts in an attempt to reduce the vibration. However, the vibration reduced only during the final approach.
An inspection of the right engine revealed that about one-quarter of the no. 28 fan blade had broken away, resulting in substantial damage to the inside of the nose cowl and to the majority of the fan blades. Abnormal displacement of fan blades (shingling) was evident on the mid-span shrouds of a number of blades surrounding the fractured blade.
The fan blade attrition lining was damaged around its entire circumference as a result of heavy fan blade rub. The forward fan case was distorted with five nose cowl attachment points damaged.
The nose cowl internal acoustic liners were damaged through to the outer skin in several locations with two punctures of the nose cowl outer skin. The nose cowl had shifted forward, creating a gap between the nose cowl and the forward fan case flange. Fan blade debris and the mid-span shroud root section of the fractured blade were found embedded in the nose cowl following removal of cowl access panels.
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1999/aair/aair199901215/
http://www.aussieairliners.org/b-767/vh-ean/vhean.html
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-May-2018 07:53 | Pineapple | Added |
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