AD 2025-24-11

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2025-24-11
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-1728
FR Citation
90 FR 57688

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc., Airplanes

Unsafe Condition

An accumulation of fuel in the APU muffler caused by a drainage block in the muffler, which could lead to an uncontrolled fire in the APU bay.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 90 work-hours

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Affected Aircraft

All Bombardier, Inc., Model CL-600-2A12 (601) and CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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