AD 2023-09-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
Certain overheat detection system (OHDS) sensing elements installed at certain positions may not properly detect thermal bleed leak events due to a quality escape during the manufacturing process.
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Required Actions
Conduct a one-time detailed inspection of each affected OHDS sensing element installed at an affected position (FIN 34HF, FIN 35HF, FIN 61HF, or FIN 62HF). Replace any affected part if necessary. Prohibit the installation of affected parts at affected positions.
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Compliance Time
Within 12 months of the effective date (June 26, 2023).
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Affected Aircraft
Airbus SAS Model A318 series airplanes; Model A319 series airplanes; Model A320-211, -212, -214, -216, -231, -232, -233, -251N, -252N, -253N, -271N, -272N, and -273N airplanes; and Model A321 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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