AD 2008-16-03

final rule
Data completeness: 70%

Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Series Airplanes

AD Number
2008-16-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-0822
FR Citation
73 FR 44145

Applicability

TypeManufacturerModelDetails
aircraft Pilatus Aircraft Ltd Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Series Airplanes
aircraft Aviat Various Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-6 Series Airplanes

Unsafe Condition

Cracked or broken leaf springs P/N 6232.0175.01 installed in the overhead flap-operating mechanism could lead to uncommanded flap retraction, hazardous situations, and loss of control of the aircraft.

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

Required Actions

Inspect the leaf springs in the flap operating mechanism for cracks or breaks. Replace any broken leaf springs. Perform repetitive inspections every 25 flight hours.

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, with serial numbers MSN 101 through MSN 999 and MSN 2001 through MSN 2092, certificated in any category, with mechanically operated flaps and leaf springs P/N 6232.0175.01 installed.

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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