AD NUMBER: 2006-17-06
MANUFACTURER: Aerospatiale
SUBJECT: Airworthiness Directive 2006-17-06
SUMMARY: The FAA is superseding an existing airworthiness
directive (AD), which applies to certain Aerospatiale Model
ATR42-500 and ATR72-212A series airplanes, that requires repetitive
inspections for cracking of the upper closing rib of the vertical
fin, related investigative actions, and corrective actions if
necessary.
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