AD 2020-05-27

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2020-05-27
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2019-0876
FR Citation
85 FR 18431

Applicability

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

Unsafe Condition

cracking was discovered in a channel within a structural support member for the rudder quadrant, rudder feel unit assembly, and environmental control system due to fatigue.

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

Required Actions

repetitive inspections of the rudder quadrant box assembly for any cracking, and modification of the rudder quadrant box assembly.

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes, serial numbers 9001 through 9844 inclusive, and 9998.

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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