Airworthiness Directives (ADs)
90-412-025
The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.
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Issue Date
- 2001/07/04
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Applicability
- 205A-1, 205B, 212, 412, 412EP, and 412CF
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Model Number
- Bell 412
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CAA AD Number
- 90-412-025
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2001-13-01
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Effective Date
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Subject
- To prevent failure of the tail rotor counterweight bellcrank (bellcrank) retention nut, which could result in the bellcrank migrating off the crosshead spindle, loss of tail rotor control, and subsequent loss of control of the helicopter.
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Reference Publications (Revision/ATA/SB)
- ASB 412-00-102RA
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Remarks
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Download
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