AD 2023-09-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
possible excessive leakage caused by clamp failure, which could result in increased operating temperatures in climate-controlled zones, or, in combination with other failures, a complete loss of the ECS.
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Required Actions
Within 36 months after the effective date of this AD: Identify and replace, as applicable, the ECS pre-cooler clamps in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 700-36-7504, dated June 27, 2022.
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Compliance Time
Within 36 months after the effective date of this AD
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Affected Aircraft
Bombardier, Inc., Model BD-700-2A12 airplanes, certificated in any category, serial numbers 70032, 70047 through 70056 inclusive, 70058 through 70061 inclusive, and 70063 through 70075 inclusive.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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