AD 2002-14-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Embraer | EMB-135 and -145 | Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. |
Unsafe Condition
A loose or disengaged clutch nut on the horizontal stabilizer actuator (HSA) clutch assembly could result in loss of pitch trim and reduced controllability of the airplane.
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Required Actions
Inspect the clutch assembly of the horizontal stabilizer actuator (HSA) to verify that at least one locking tab on the key washer is bent into the locking groove of the clutch nut. Take follow-on actions as necessary.
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Compliance Time
Before further flight
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Affected Aircraft
EMBRAER Model EMB-135 and -145 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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