AD Amdt-39-10000
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Industrie Model A320 | Airworthiness Directives; Airbus Industrie Model A320, A321, A330, and A340 Series Airplanes Equipped With Westland-Sitec Fire Shutoff Valves Having Part Number EO3000 |
Unsafe Condition
Fire shutoff valves (FSOV) are not closing completely during maintenance testing, which could prevent the shutoff of hydraulic fluid flow to the engine in the event of a fire, leading to fire escalation and failure of associated hydraulic systems.
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Required Actions
Repetitively test fire shutoff valves (FSOV) on left and right engines, check FSOV motor parts, replace discrepant valves with modified valves, and modify FSOV seals and motors as terminating action for repetitive requirements.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus Industrie Model A320, A321, A330, and A340 series airplanes equipped with Westland-Sitec Fire Shutoff Valves having part number EO3000.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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