AD 2024-06-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Some overheat detection sensing elements of the bleed air leak detection system were manufactured with insufficient salt fill, which can result in an inability to detect hot bleed air leaks.
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Required Actions
Maintenance records verification, testing the overheat detection sensing elements, marking each serviceable sensing element with a witness mark, and replacing each nonserviceable part with a serviceable part. The operator's existing Minimum Equipment List (MEL) must be revised to prohibit the use of certain Master Minimum Equipment List (MMEL) items under certain conditions.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model BD-700-2A12 airplanes, with certain sensing elements installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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