AD 2022-20-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
insufficient clearance between the surrounding structure/skin of the aircraft and select bleed air ducts that supply the wing ice protection system (WIPS) in the rear fuselage, which could compromise the HP ducting shroud's capability to provide bleed air leak routing and result in a bleed air leak being undetected.
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Required Actions
Inspect the affected bleed air ducts and surrounding structure for minimum clearance and damage (wear or chafing), and do all applicable corrective actions in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 700-36-7502, dated October 28, 2020. Do all applicable corrective actions, including adjusting the ductwork if clearance is below the minimum required, and repairing any damage.
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Compliance Time
Within 21 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 70006, 70007, 70009 through 70019 inclusive, 70021 through 70029 inclusive, and 70031.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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