Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
airworthiness · Rule · Final rule. · Published 2025-04-10 · Effective 2025-05-15 · 90 FR 15304
Document
Document number
2025-06066
Federal Register citation
90 FR 15304
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
Thommen
Publication date
2025-04-10
Effective date
2025-05-15
FAA docket
Docket No. FAA-2024-2322
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This AD requires replacing an affected AC32 Digital ADC with a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.