AD 2021-12-15

final rule
Data completeness: 70%

Airworthiness Directives; Airbus SAS Airplanes

AD Number
2021-12-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0458
FR Citation
86 FR 30753

Applicability

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

Unsafe Condition

The potential loss of two hydraulic systems (blue and green) in flight, instead of only one (green), which could lead to loss of all hydraulic circuits, possibly resulting in loss of control of the airplane.

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

Required Actions

Inspecting for discrepancies of the hydraulic pressure switch harnesses of affected engines, and applicable corrective actions, including a visual inspection to identify the clip points where harnesses are not installed correctly, harness re-routing, and hydraulic system testing.

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 A330-243, A330-243F, A330-341, A330-342, and A330-343 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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