AD 2019-19-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | SAS | Airworthiness Directives; Airbus SAS Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Airbus SAS Airplanes |
Unsafe Condition
The regulated bleed temperature was measured above the design target with a temperature regulation shift phenomenon, and investigation results show that incorrect temperature regulation can degrade pneumatic system components located downstream of the pre-cooler.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Upload improved bleed monitoring computer (BMC) software (SW), as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
All Airbus SAS Model A320-251N and -271N airplanes, and Model A321-251N, -253N, -271N, and -272N airplanes, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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