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AD/S-62/12 - Main Rotor Blades
Sikorsky S-62 Series HelicoptersSikorsky S-62 Series Helicopters
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Sikorsky S-62 Series Helicopters
| AD/S-62/12 | Main Rotor Blades | 4/2005 |
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| Applicability: | Model S-62A helicopters. |
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| Requirement: | 1. Retire part number S14-10-2100 series main rotor blades from service.2. Retire part number S14-10-2201 series main rotor blades from service.3. The service life limits may be extended to 6,000 total flight hours for main rotor blades part number S14-10-2201-9, and part numbers S14-10-2100 and S14-10-2201 series blades modified to S14-10-2201-9 blades, provided the blades are modified, operated, maintained, inspected, and retired in accordance with the requirements of Sikorsky Service Bulletin (SB) 62B10-6H, or a later FAA approved revision, or in accordance with the Maintenance Manual Chapter 39.Note: FAA AD 66-04-03 Amdt 39-194 refers. |
| Compliance: | 1. Upon the accumulation of 2,250 total flight hours.2. Upon the accumulation of 2,250 total flight hours.3. As specified in SB 62B10-6H or a later FAA approved revision, or the Maintenance Manual Chapter 39. |
| This Airworthiness Directive becomes effective on 14 April 2005. | |
| Background: | The FAA requires certain actions to prevent operation with fatigue cracks in the spar of a main rotor blade. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
2 March 2005