AD 2005-17-01

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 Airplanes

AD Number
2005-17-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2005-20515
FR Citation
70 FR 47716

Applicability

TypeManufacturerModelDetails
aircraft Pilatus Aircraft Ltd Airworthiness Directives; Pilatus Aircraft Ltd. Models PC-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 Airplanes

Unsafe Condition

Defective stabilizer-trim attachments and surrounding structural components could result in failure of the stabilizer-trim attachment, leading to loss of control of the airplane.

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

Required Actions

Repetitively inspect the stabilizer-trim attachment and structural components for cracks, corrosion, and discrepancies. Replace any defective part with a new part. Replace all Fairchild connecting pieces, part number 6232.0026.XX, with a Pilatus connecting piece. Replace fittings without an index after the part number with an improved part.

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-6, PC-6-H1, PC-6-H2, PC-6/350, PC-6/350-H1, PC-6/350-H2, PC-6/A, PC-6/A-H1, PC-6/A-H2, PC-6/B-H2, PC-6/B1-H2, PC-6/B2-H2, PC-6/B2-H4, PC-6/C-H2, and PC-6/C1-H2 airplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

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