AD 2021-09-16

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2021-09-16
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2021-0342
FR Citation
86 FR 26367

Applicability

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

Unsafe Condition

engine surges during takeoff can result in significant loss of engine thrust or even engine shutdown and can occur on both engines at the same time.

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

Required Actions

revising the existing airplane flight manual and applicable corresponding operational procedures to provide the flightcrew with procedures that require the engine bleeds to be ``ON'' during takeoff.

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

Compliance Time

Before further flight

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Affected Aircraft

Bombardier, Inc., Model BD-100-1A10 airplanes

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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