AD Amdt-39-11250

final rule
Data completeness: 70%

Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes

AD Number
Amdt-39-11250
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-CE-20-AD
FR Citation
64 FR 44112

Applicability

TypeManufacturerModelDetails
aircraft Pilatus Aircraft Ltd Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 Airplanes

Unsafe Condition

Corrosion of flap drive shafts leading to flexible shaft rupture, potentially resulting in flap system failure and reduced airplane control.

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

Required Actions

Replace all flap drive shafts with improved design shafts, install additional gaskets on the power drive unit, and modify the attachment and supporting hardware.

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

Pilatus Aircraft Ltd. Models PC-12 and PC-12/45 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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