Aviation safety issues and actions
Safety Advisory Notice issued to: Federal Aviation Administration
|Date issued:||22 February 2000|
|Safety action status:||Closed|
|Background:||Why this Safety Advisory Notice was developed|
The Federal Aviation Administration should note the safety
deficiency identified in this document and take appropriate
As a result of investigation into this occurrence, the Bureau simultaneously issues the following recommendations:
The Australian Transport Safety Bureau (formerly the Bureau of Air Safety Investigation) recommends that the engine manufacturer General Electric identify the source of the casting defect of the failed HPT blade.
The Australian Transport Safety Bureau (formerly the Bureau of Air Safety Investigation) recommends that the engine manufacturer General Electric review the adequacy of turbine blade manufacturing process controls to reduce the likelihood of blades containing casting defects being released into service.
|Date issued:||21 July 2000|
|Response from:||Federal Aviation Administration (FAA)|
The FAA has reviewed the evaluation performed by GE and concurs
with the following conclusions regarding the nature of the casting
defect and the manufacturing process: