AD 2011-04-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Fokker | Services B | Airworthiness Directives; Fokker Services B.V. Model F.28 Mark 0070 and 0100 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Fokker Services B.V. Model F.28 Mark 0070 and 0100 Airplanes |
Unsafe Condition
Ice formation between the upper end of the downlock actuator and the upper side brace prevents the actuator from turning freely, likely resulting in piston rod failure and potential MLG extension problems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify both LH and RH P/N 41350-1 MLG upper side braces by introducing two additional drain holes, or replace them with modified P/N 41350-3 upper side braces.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD (not detailed in the provided text).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Fokker Services B.V. Model F.28 Mark 0070 and 0100 airplanes, all serial numbers, equipped with Goodrich (formerly Menasco, Colt Industries) main landing gears (MLGs) fitted with MLG upper side braces having part number (P/N) 41350-1.
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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