Transportation Department Docket FAA-2018-0271 Proposed Rule

2018-07636: Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes

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Summary

We propose to supersede Airworthiness Directive (AD) 2016-13- 06, which applies to certain Saab AB, Saab Aeronautics Model 340A (SAAB/SF340A) and SAAB 340B airplanes. AD 2016-13-06 requires a revision of the applicable airplane flight manual (AFM), repetitive inspections of the horizontal stabilizer de-icing boots, and applicable corrective actions. Since we issued AD 2016-13-06, the manufacturer has developed an improved de-icing boot. This proposed AD would continue to require a revision of the applicable AFM, repetitive inspections of the horizontal stabilizer de-icing boots, and applicable corrective actions. This proposed AD would also require replacement of single stitched de-icing boots with improved double stitched boots, and re- identification of the modified horizontal stabilizer leading edge. We are proposing this AD to address the unsafe condition on these products.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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