AD 2007-04-27

final rule
Data completeness: 80%

Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Airplanes

AD Number
2007-04-27
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2006-26044
FR Citation
72 FR 8608

Applicability

TypeManufacturerModelDetails
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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