AD 2013-02583
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Various | Airworthiness Directives; Schweizer Aircraft Corporation |
Unsafe Condition
Loose horizontal stabilizers and cracks in the stabilizer support structure for the extruded tailboom, which could result in separation of the horizontal stabilizer from the helicopter and subsequent loss of helicopter control.
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Required Actions
Visually inspect the aft fuselage assembly daily for cracks. If a crack is found, remove the horizontal stabilizer and perform an interior inspection. Repair cracks in the aft fuselage assembly clip, aft bulkhead, or adjacent skins. Replace the aft fuselage assembly if cracks are found in longerons, tailboom tube collars, or forward stabilizer bulkheads. Within 100 hours TIS or three months, remove the horizontal stabilizer, clean the mounting brackets, and install an inspection panel kit and doublers in the stabilizer support brackets if necessary.
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Compliance Time
Before the first flight of each day for daily inspections; within 100 hours TIS or three months for other required actions.
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Affected Aircraft
Schweizer Aircraft Corporation Model 269D and Model 269D Configuration A helicopters, serial numbers 0001 to 0062A, with aft fuselage assembly part number 269D3300-1 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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