AD 2018-25-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | Services B | Airworthiness Directives; Fokker Services B.V. Airplanes |
Unsafe Condition
Debris from the parking brake shut off valve (PBSOV) could create a partial blockage of the restrictor check valve in the hydraulic return line of the PBSOV.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the restrictor check valve with an improved valve that has a filter screen.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Fokker Services B.V. Model F28 Mark 0070 and 0100 airplanes, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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