AD 78-14-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Cabin window pane failure and possible engine damage.
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Required Actions
Inspect and replace all outer cabin window panes in accordance with GAC Customer Bulletin 270A. Restrict airplane operations to a maximum cabin pressure differential of 8.0 psi and install a placard on the instrument panel. Incorporate G-1159 Airplane Flight Manual Interim Revision No. 19-5. Repeat inspections prior to each flight until all affected windows are replaced with full thickness panes or those with less than 600 landings.
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Compliance Time
Prior to the accumulation of 600 landings on any window, or within the next 10 landings after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Gulfstream American Corporation (GAC) Model G-1159, serial numbers 1 through 229, and 775.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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