AD 79-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sabreliner Corporation | NA-265-60 | Airworthiness Directives; ROCKWELL INTERNATIONAL Model NA-265-60 Airplanes |
Unsafe Condition
Flutter caused by the accumulation of undrained water in the elevators.
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Required Actions
Modify the elevators to provide water drainage provisions per Raisbeck Service Bulletin No. 8 or later FAA approved revisions. Determine the static balance of the elevators using the same service bulletin and rebalance them if required. Equivalent modifications may be approved by the Chief, Engineering and Manufacturing Branch, Northwest Region.
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Compliance Time
within 30 days or 30 flight hours, whichever occurs first
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Affected Aircraft
Rockwell International Model NA-265-60 airplanes modified by Raisbeck Group Supplemental Type Certificate SA687NW
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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