AD 2012-17-09

final rule
Data completeness: 80%

Airworthiness Directives; Eurocopter France Helicopters

AD Number
2012-17-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0338
FR Citation
77 FR 56755

Applicability

TypeManufacturerModelDetails
aircraft Eurocopter France Airworthiness Directives; Eurocopter France Helicopters

Unsafe Condition

Reduced service life of the rotating star, which could result in failure of the rotating star and subsequent loss of control of the helicopter.

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

Required Actions

Remove any rotating star, P/N 341A31.4116.21, with 12,000 or more hours time-in-service (TIS), and replace it with an airworthy rotating star with less than 12,000 hours TIS. Revise the Airworthiness Limitations section of the Instructions for Continued Airworthiness by reducing the service life of the main rotor rotating star from unlimited hours TIS to 12,000 hours TIS.

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

Eurocopter France Model SA341G helicopters, with rotating star, part number (P/N) 341A31.4116.21 installed, certificated in any category.

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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