Summary
The FAA is adopting a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-24 airplanes. This AD was prompted by a report that a solid-state relay (SSR) used in the left-hand (LH) windshield heating system may allow reverse current flow when in the OFF position. This AD requires modification of the airplane and replacement of the affected SSR with a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2026-4632
Document Number
2026-18848
Type
Rule
Publication Date
September 15, 2026
Effective Date
October 20, 2026
Affected Manufacturer
Pilatus Aircraft Ltd.
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2026-4632
Topics
Official Documents
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