AD 68-20-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sabreliner Corporation | NA-265 | Airworthiness Directives; NORTH AMERICAN ROCKWELL Models NA-265, NA-265-20, NA-265-30, NA-265-40 and NA-265-60 |
| aircraft | Sabreliner Corporation | NA-265-20 | Airworthiness Directives; NORTH AMERICAN ROCKWELL Models NA-265, NA-265-20, NA-265-30, NA-265-40 and NA-265-60 |
| aircraft | Sabreliner Corporation | NA-265-30 | Airworthiness Directives; NORTH AMERICAN ROCKWELL Models NA-265, NA-265-20, NA-265-30, NA-265-40 and NA-265-60 |
| aircraft | Sabreliner Corporation | NA-265-40 | Airworthiness Directives; NORTH AMERICAN ROCKWELL Models NA-265, NA-265-20, NA-265-30, NA-265-40 and NA-265-60 |
| aircraft | Sabreliner Corporation | NA-265-60 | Airworthiness Directives; NORTH AMERICAN ROCKWELL Models NA-265, NA-265-20, NA-265-30, NA-265-40 and NA-265-60 |
Unsafe Condition
Small cracks have been discovered in the area near the attachment bolt holes of the horizontal stabilizer support fitting.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the horizontal stabilizer support fittings P/N 265-313459 and 265-313463-11 for evidence of cracking in accordance with Service Bulletin 68-4. Cracked fittings must be removed before further flight and replaced with new or serviceable fittings. Check clearance between fittings and the canted bulkhead at fuselage station 457 and shim as necessary per the same service bulletin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours time in service after the effective date of this AD
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Affected Aircraft
NORTH AMERICAN ROCKWELL Models NA-265 (serial Nos. 265-1 through 265-88 and 276-1 through 276-55), NA-265-20 (Serial Nos. 270-1 through 270-6), NA-265-30 (Serial Nos. 277-1 through 277-10 and 285-1 through 285-32), NA-265-40 (Serial Nos. 282-1 through 282-95 and 287-1), and NA-265-60 (Serial Nos. 306-1 through 306-17)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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