Bristow E135 at Port Harcourt on Mar 9th 2020, engine shut down in flight
Last Update: December 30, 2022 / 19:16:42 GMT/Zulu time
Incident Facts
Date of incident
Mar 9, 2020
Classification
Incident
Airline
Bristow Helicopters Nigeria
Departure
Port Harcourt Military Airport, Nigeria
Destination
Lagos, Nigeria
Aircraft Registration
5N-BSN
Aircraft Type
Embraer ERJ-135
ICAO Type Designator
E135
On Nov 17th 2020 Nigeria's AIB (NAIB) released their preliminary report stating, they were notified of the occurrence on Mar 9th 2020 and dispatched investigators on site on May 10th 2020. FDR and CVR were downloaded, however, the CVR was already overwritten. The captain (38, ATPL, 5,600 hours total, 1,800 hours on type thereof 70 hours in command) was pilot flying, the first officer (59, ATPL, 11,500 hours total, 1500 hours on type thereof 1500 hours in command) was pilot monitoring.
A post flight inspection revealed debris in the left engine's tail pipe. The engine had accumulated 39,409 flight hours in 26,464 cycles since new. The report states a borescopic inspection was performed, the results are yet to arrive. There is no evidence of fire.
On Dec 30th 2022 the NAIB released their final report concluding the probable causes of the serious incident were:
Engine failure due excessive inter-turbine temperature.
Contributory factors
1. The decision of the crew to continue flight operation in spite of the abnormal engine indication (Low Pressure (LP) vibration of engine No.1) during engine start.
2. Bristow’s non pragmatic approach to Engine Health Management (EHM) system.
Incident Facts
Date of incident
Mar 9, 2020
Classification
Incident
Airline
Bristow Helicopters Nigeria
Departure
Port Harcourt Military Airport, Nigeria
Destination
Lagos, Nigeria
Aircraft Registration
5N-BSN
Aircraft Type
Embraer ERJ-135
ICAO Type Designator
E135
This article is published under license from Avherald.com. © of text by Avherald.com.
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