AD 98-03-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker Services | F27 Mark 050 | Airworthiness Directives; Fokker Model F27 Mark 050 Series Airplanes |
Unsafe Condition
Fatigue cracking on the outside edges of the window frames of the flight compartment could result in structural degradation and depressurization of the airplane during flight.
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Required Actions
Modify the outside edges of the window frames surrounding the windshield windows, sliding windows, and direct vision windows of the flight compartment. Install reinforcement plates on all window frames of the flight compartment.
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Compliance Time
Required as indicated, unless accomplished previously.
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Affected Aircraft
Fokker Model F27 Mark 050 series airplanes; serial numbers 20103 through 20108 inclusive, 20110 through 20149 inclusive, 20151 through 20155 inclusive, 20159, and 20160; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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