AD 2007-04-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | F | Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Airplanes |
Unsafe Condition
Failure of the main landing gear (MLG) downlock actuator, which could prevent the MLG side stay from locking properly, resulting in collapse of the MLG during ground maneuvers or upon landing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the left- and right-hand main landing gear (MLG) downlock actuators or review the airplane maintenance records to determine the part number of each downlock actuator installed. Replace identified MLG downlock actuators with modified MLG downlock actuators.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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