AD Amdt-39-11330

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Series Airplanes

AD Number
Amdt-39-11330
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-329-AD
FR Citation
64 FR 51205

Applicability

TypeManufacturerModelDetails
aircraft Fokker F Airworthiness Directives; Fokker Model F.28 Mark 0070 and 0100 Series Airplanes

Unsafe Condition

Potential latent failure of the secondary lock actuator switch 1 in the open position and potential failure of the secondary lock relay 1 in the energized position, which could lead to inadvertent deployment of the thrust reversers during flight.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revise the Airplane Flight Manual (AFM), perform repetitive operational tests, and implement other modifications related to the thrust reverser system. Terminate the existing repetitive operational checks and tests.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

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Affected Aircraft

Fokker Model F.28 Mark 0070 and 0100 series airplanes.

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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