AD 2021-25-07

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2021-25-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0658
FR Citation
87 FR 1352

Applicability

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

Unsafe Condition

a lockwire may not have been installed on the side stay actuator pin nut of the main landing gear (MLG)

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

Required Actions

inspect the left-hand and right-hand MLG side stay actuator assembly pin nuts for presence of a lockwire, and install a lockwire if necessary

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

Compliance Time

Within 12 months after the effective date of this AD

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

Affected Aircraft

Bombardier, Inc., Model BD-100-1A10 airplanes, certificated in any category, serial numbers 20003 through 20780 inclusive

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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