Squawk Box

June 2000 Issue

Wasted Gates

Inspecting turbo ops requires only a simple flight test

The following information is derived from the FAA’s Service Difficulty Reports and Aviation Maintenance Alerts. Click here to view "Airworthiness Directives."


A certificated air carrier recently reported a reduction in engine power that was later traced to a stuck turbocharger wastegate. When the incident was reported, the FAA issued Safety Recommendation 99.397, which prompted the manufacturer to issue a service bulletin describing how carriers should inspect the wastegates.

While Part 91 operators are not required to meet the requirements of the SB, the FAA encourages all operators of turbocharged aircraft to conduct at least an...

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