AD 2021-10-22

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2021-10-22
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0030
FR Citation
86 FR 29178

Applicability

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

Unsafe Condition

offset between the fitting assembly and the refuel/defuel tube assembly, which could cause a preload on the fuel pipes and reduce their ability to absorb shock or vibration-induced loads, making the tube and clamp more prone to stress corrosion cracking.

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

Required Actions

modification of the fuel pipe bracket assembly, including all related investigative actions and corrective actions, if necessary; and performing an operational test of the refuel and defuel system.

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 airplanes, serial numbers 9657 through 9844 inclusive.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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