AD 2018-25-07

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2018-25-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2018-0796
FR Citation
83 FR 63565

Applicability

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

Unsafe Condition

fluid leakage that could lead to the accumulation of flammable fluids/vapors, beyond the design capacity of the belly fairing venting provisions, which could ignite if an ignition source (i.e., spark, static discharge, heat, etc.) is present.

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

Required Actions

inspect for and remove all sealant blocking the drainage holes on the belly fairing forward and middle access panels

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 9707 inclusive, 9709 through 9717 inclusive, 9719 through 9726 inclusive, 9728, 9730, 9732 through 9734 inclusive, 9736 through 9740 inclusive, 9742 through 9745 inclusive, 9749, 9751, 9757, 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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