ASN Wikibase Occurrence # 239094
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| Date: | Wednesday 27 March 2019 |
| Time: | 13:30 UTC |
| Type: |  Avro RJ85 |
| Owner/operator: | SA Airlink |
| Registration: | ZS-SSJ |
| MSN: | E2385 |
| Fatalities: | Fatalities: 0 / Occupants: 29 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | near Johannesburg-O.R. Tambo International Airport (JNB/FAOR) -
 South Africa
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Johannesburg-O.R. Tambo International Airport (JNB/FAOR) |
| Upington Airport (UTN/FAUP) | |
| Investigating agency: | CAA S.A. |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Avro RJ85 took off from O.R. Tambo International Aerodrome (FAOR) on a scheduled domestic flight to
Upington (FAUP), South Africa. On-board the aircraft were two pilots, two crew members and 25 passengers.
The aircraft took off in a north-easterly direction using runway 03L. The pilots reported that after passing 6 500 feet above mean sea level (AMSL), the pilots heard a loud “bang” followed by the aircraft yawing to the right. The number 4 engine indicated high vibration levels accompanied by a decreasing low-pressure compressor speed (N1), increased exhaust gas temperature (EGT) and decreased high-pressure compressor (N2) indications. The pilots shut down the engine and secured it according to the Quick Reference Handbook (QRH) procedures. The pilots declared an emergency by broadcasting a “PAN-PAN-PAN”, advising the Air Traffic Control (ATC) that the number 4 engine had failed and that they were requesting an air turn back to FAOR. The aircraft landed safely at 1349Z.
The pilots, crew members and passengers were not injured during the serious incident sequence.
The investigation revealed that the number 4 engine failure was due to the failure of one of the first stage compressor blades which had cracked at the root before it separated. The blade travelled to the rear of the compressor section, damaging the low-pressure (LP/N1) and high-pressure (HP/N2) compressors and some internal engine components. It is likely that the crack on the blade root was due to fatigue.
Accident investigation:
 |
|
Sources:
S.A. CAA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Aug-2020 07:54 | harro | Updated [Cn, Location, Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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