AD 81-14-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sabreliner Corporation | NA-265-40 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes |
| aircraft | Sabreliner Corporation | NA-265-60 | Airworthiness Directives; ROCKWELL INTERNATIONAL Models NA-265-40 and NA-265-60 Airplanes |
Unsafe Condition
Cabin depressurization due to potential cracking of the door stop (beam) as a result of fatigue.
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Required Actions
Conduct a dye penetrant inspection of the door stop (beam) per Sabreliner Service Bulletin No. 55. If cracks are detected, replace the part and resume inspections after 2,000 hours time-in-service or modify per Service Bulletin No. 3. Repeat inspections every 600 hours or 1 year if no cracks found.
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Compliance Time
Within the next 600 hours additional time-in-service or within the next 12 months, whichever occurs first (for aircraft with 2,000+ hours as of July 13, 1981). For aircraft with less than 2,000 hours, prior to accumulating 2,600 hours time-in-service or within the next 12 months after reaching 2,000 hours.
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Affected Aircraft
Rockwell International Models NA-265-40 (Serial Numbers 282-1 through 282-97) and NA-265-60 (Serial Numbers 306-1 through 306-63) not modified per North American Rockwell Drawing No. 306-053010.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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