AD 2023-14-01

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2023-14-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2023-1407
FR Citation
88 FR 44194

Applicability

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

Unsafe Condition

5G C-Band interference can result in unavailable or misleading radio altimeter information, adversely affecting the performance of the automatic flight control system (AFCS) and fly-by-wire systems.

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Required Actions

Revising the AFM to incorporate limitations prohibiting dispatch with certain MMEL items at all airports for non-radio altimeter tolerant airplanes. For radio altimeter tolerant airplanes, the prohibited operations are allowed at 5G CMAs as identified in an FAA Domestic Notice.

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Compliance Time

Before further flight

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Affected Aircraft

Bombardier, Inc., Model BD-700-2A12 airplanes

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Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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