AD 82-16-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Nomad TC Pty Ltd | N22B | Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Model N22B Land Planes |
Unsafe Condition
Failure of the horizontal stabilizer control rod and torque shaft, or improper alignment of the pulley bracket, could result in reduced airplane controllability in severe turbulence when loaded near the aft C.G. limit.
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Required Actions
Inspect and install a new horizontal stabilizer control rod and modified torque shaft per GAF Service Bulletin NMD 27-9 Rev. 1. Replace the pulley mounting bracket at Station 399 with redesigned bracketry per Service Bulletin NMD-27-15. Remark the horizontal stabilizer trim indicator drum assembly with a new label as outlined in the Service Bulletin. Verify the horizontal stabilizer rigging angle is adjusted to 3 degrees plus or minus 1/2 degree nosedown and check control clearance and operation.
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Compliance Time
within the next 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Nomad TC Pty Ltd Model N22B land planes, serial numbers N22B-5 thru N22B-101, excluding those with horizontal stabilizer mass balance trim tabs installed per GAF Factory Modification No. N439, and excepting serial numbers 26, 55, 90, 93, 95, 102 and subsequent for paragraph A)(1), and serial numbers 82 and subsequent for paragraph A)(2)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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