Airworthiness directives › 2023-09-08
AD 2023-09-08 Airworthiness Directives; Bombardier, Inc., Airplanes
Models named: BD-700-2A12. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to 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.
Compliance
Comply with this AD within the compliance times specified, unless already done.
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.
Unsafe condition
This AD was prompted by a report that certain environmental control system (ECS) pre-cooler clamp assemblies may not conform to specifications. The FAA is issuing this AD to address possible excessive leakage caused by clamp failure. The unsafe condition, if not addressed, could result in increased operating temperatures in climate-controlled zones, or, in combination with other failures, a complete loss of the ECS.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1