Eurocopter SA 315 (Lama) Series Helicopters
Eurocopter SA 315 (Lama) Series Helicopters
| AD/SA 315/3 | Main Rotor Blade Root Skin andReinforcement Strip Bonding | 12/2006 |
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| Applicability: | Model SA 315 B helicopters, equipped with main rotor blade part number:3160S11-10000 all dash numbers, 3160S11-30000 all dash numbers, 3160S11-35000 all dash numbers, 3160S11-40000 all dash numbers, 3160S11-45000 all dash numbers, 3160S11-50000 all dash numbers, and 3160S11-55000 all dash numbers. |
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| Requirement: | Inspect the main rotor blade spar skin and the blade root reinforcement strip area for bonding separation, cracks, and corrosion in accordance with paragraph 2 of Eurocopter Service Bulletin No. 05.34 R1.If bonding separation, cracking, or corrosion is detected during any inspection, and is within the criteria defined in paragraph 2 of the Requirement document, before further flight, remove the blade from service.Inspect blades held as spares before entry into service.Note: DGAC AD 98-277-040(A) R1 refers. |
| Compliance: | Unless the initial inspection is already accomplished, within 25 flight hours or 30 days after 23 November 2006, whichever occurs first.Inspect thereafter at intervals not to exceed 100 flight hours or 6 months, whichever occurs first; except when bonding separation is detected in the non-hatched area of the reinforcement strip, in which case the inspection interval is reduced to 25 flight hours. |
| This Airworthiness Directive becomes effective on 23 November 2006. | |
| Background: | The DGAC received a report of main rotor blade failure on a SE 3130 helicopter. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
12 October 2006