AD 81-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sabreliner Corporation | NA-265-60 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-60, NA- 265-70, and NA-265-80 Airplanes |
| aircraft | Sabreliner Corporation | NA-265-70 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-60, NA- 265-70, and NA-265-80 Airplanes |
| aircraft | Sabreliner Corporation | NA-265-80 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-60, NA- 265-70, and NA-265-80 Airplanes |
Unsafe Condition
The MLG shock strut trunnion may have an inside diameter exceeding 2.948 inches due to wear, which could result in structural failure of the main landing gear outer cylinder.
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Required Actions
Clean the interior of the MLG shock strut trunnion and measure its inside diameter using an internal micrometer. If the measurement exceeds 2.948 inches, either replace the outer cylinder with an airworthy part (P/N 1127L001-3, -4, -5, or -6) or remove the airplane from service and contact the FAA. Conduct a dye penetrant check of the specified area for cracks if a special ferry flight is needed, and report defects within 48 hours.
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Compliance Time
Prior to next flight
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Affected Aircraft
ROCKWELL INTERNATIONAL Models NA-265-60 (S/N 306-5, -6, -12, -16, -24, -47, -50, -71, -73, -81, -109, -116, -119, and -122); NA-265-70 (S/N 370-1 through -9); and NA-265-80 (S/N 380-1 through -72)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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