AD 2020-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
Incorrect installation of the low pressure shut off valves on the pylon areas of engines 1 and 2 could result in fuel spillage in the flammable zone, which could lead to an uncontrollable fire in an engine pylon.
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Required Actions
Perform a one-time detailed inspection of each low pressure shut off valve on the pylon areas of engines 1 and 2 for correct installation, and replace the O-rings and torque the mounting bolts within specified values as applicable.
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Compliance Time
Before further flight
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Affected Aircraft
Airbus SAS Model A319-115 and -153N; A320-214, -216, -232, -251N, -252N, -271N, and -273N; and A321-211, -231, -251N, -253N, -271N, -272N, -251NX, -252NX, -253NX, and -271NX airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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