AD 2018-18-17

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes

AD Number
2018-18-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2018-0271
FR Citation
83 FR 46377

Applicability

TypeManufacturerModelDetails
aircraft Saab AB Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes

Unsafe Condition

ruptured horizontal stabilizer de-icing boots, which could lead to complete loss of the de-icing function within its associated zone and severe vibrations, possibly resulting in reduced control of the airplane.

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

Required Actions

revision of the applicable airplane flight manual (AFM), repetitive inspections of the horizontal stabilizer de-icing boots, and applicable corrective actions, replacement of single stitched de-icing boots with improved double stitched boots, and re-identification of the modified horizontal stabilizer leading edge.

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

Compliance Time

Before further flight

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

Affected Aircraft

Saab AB, Saab Aeronautics Model 340A (SAAB/SF340A) and SAAB 340B 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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