AD 81-07-01 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Nomad TC Pty Ltd | N22B | Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Model N22B and N24A Airplanes |
| aircraft | Nomad TC Pty Ltd | N24A | Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Model N22B and N24A Airplanes |
Unsafe Condition
Loss of structural rigidity in the horizontal stabilizer which could result in hazardous tail flutter and subsequent loss of airplane control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the horizontal stabilizer to incorporate mass balance weights, improved riveting, access panels, and structural reinforcements per Service Bulletin NMD-55-10, Rev. 1. Install high strength steel trim tab control brackets, self-aligning control rod ends, and longer control rods per Service Bulletin NMD-55-8, Rev. 3. Modify horizontal stabilizer pivot bracket attachments per Alert Service Bulletin ANMD-55-13, Rev. 1. Replace AGS pop rivets with MS20470AD rivets where removed during modification. Equivalent means require FAA approval.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
Nomad TC Pty Ltd Model N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A-42 and up) airplanes
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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