AD 2020-18-04

final rule
Data completeness: 80%

Airworthiness Directives; Airbus SAS Airplanes

AD Number
2020-18-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2020-0783
FR Citation
85 FR 54896

Applicability

TypeManufacturerModelDetails
aircraft Airbus SAS Airworthiness Directives; Airbus SAS Airplanes
aircraft Aviat Various Airworthiness Directives; Airbus SAS Airplanes

Unsafe Condition

a slat system jam during landing could lead to a double shaft disconnection/rupture, potentially causing one or more slat surfaces to be no longer connected to either the slat wing tip brake or the slat PCU, possibly resulting in reduced control of the airplane.

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

Required Actions

a one-time health check of the slat power control unit (PCU) torque sensing unit (TSU) for discrepancies, and corrective actions if necessary; a detailed inspection of the left-hand (LH) and right-hand (RH) slat transmission systems for discrepancies, and corrective actions if necessary; and LH and RH track 12 slat gear rotary actuator (SGRA) water drainage and vent plug cleaning (which includes an inspection for moisture), as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference.

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

Compliance Time

Before further flight

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

Affected Aircraft

All Airbus SAS Model A350-941 and -1041 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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