AD 2009-18-18
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; ATR Model ATR42 and ATR72 Airplanes |
Unsafe Condition
Anomalies on the forward side window at the level of the Z-bar on the external side and at the level of the inner retainer on the internal side, which are considered precursors of window failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive inspections of LH and RH cockpit forward side glass windows must be conducted. In case of discrepancies, the window(s) must be replaced.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 flight hours after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
ATR Model ATR42-200, -300, -320, and -500 airplanes and Model ATR72-101, -201, -102, -202, -211, -212, and -212A airplanes equipped with any PPG Aerospace cockpit forward side glass window having part number NP-158862-1 or NP-158862-2.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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