
Airplane Has Counterfeit Parts / Bad Vibrations on Partnair Flight 394
Black Box Down
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Aircraft Maintenance
The air worthiness requirements for the aircraft were not met while it was in service in norway. Faulty, out of date maintenance instructions and inadequate maintenance procedures left the problems in the a p's front support undetected. The wear in the fin attachments led to vibrations developing into flutter. Undampened oscillations in the elevator contributed to the structural failure of the empinage.
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