AD Amdt-39-10616
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F | Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Series Airplanes |
Unsafe Condition
Uncommanded trimming or failure of the trim system of the horizontal stabilizer, and consequent reduced controllability of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct a one-time inspection to determine residual strength of the servo-valve sub-assembly of the horizontal stabilizer actuator. Replace the actuator with a new or serviceable one if necessary. Eventually replace the horizontal stabilizer actuator with an improved actuator.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 series airplanes subject to the existing AD being superseded.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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