A major step has been taken to ensure that a primary flight control system will not wear beyond acceptable limits in service. The Federal Aviation Administration (FAA) recently ordered that end-play measurements of jackscrews be recorded during overhaul. The directive is a direct outgrowth of the fatal January 2000 crash of an Alaska Airlines [ALK] MD-83 twinjet. All 88 passengers and crew aboard were killed when the jackscrew controlling the pitch trim system for the horizontal stabilizer failed, causing the…
New Jackscrew Overhaul Records Requirements Announced
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