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AD/GBK 117/6 Amdt 6 - Main Rotor Blade
Eurocopter BK 117 Series HelicoptersEurocopter BK 117 Series Helicopters
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Eurocopter BK 117 Series Helicopters
| AD/GBK 117/6 Amdt 6 | Main Rotor Blade | 12/2009 |
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| Applicability: | Models MBB-BK117A-1, A-3, A-4, B-1, B-2, and C-1, all serial numbers, if equipped with MR Blades as identified by Part Number (P/N) in Eurocopter Deutschland GmbH Alert Service Bulletin (ASB) ASB-MBB-BK117-10-108 Revision 4 or later revision. |
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| Requirement: | 1. Inspect the affected MR blades in accordance with the instructions contained in Eurocopter Deutschland GmbH Alert Service Bulletin (ASB)ASB-MBB-BK117-10-108 Revision 4 or later revision.Inspections and corrective actions accomplished prior to the effective date of this AD, in accordance with ECD ASB-MBB-BK117-10-108 at original issue or Revision 1 or Revision 2 or Revision 3, are acceptable to comply with the initial requirements of paragraph (1) of this AD. After the effective date of this AD, repetitive inspections and corrective actions must be accomplished in accordance with ECD ASB-MBB-BK117-10-108 at Revision 4.During any inspection required by this AD, if damage is detected that is outside the allowable limits as specified in Eurocopter Deutschland GmbH Alert Service Bulletin (ASB) ASB-MBB-BK117-10-108 Revision 4 or later revision, before further flight replace each affected blade with a serviceable blade.Replacement of MR blades does not constitute terminating action for the repetitive inspection requirements of this AD, except when all MR blades installed on a helicopter are MR blades that have a P/N not listed in ECDASB-MBB-BK117-10-108. In that case, this AD no longer applies to that helicopter.Note: EASA AD 2009-0199, dated 08 September 2009 refers. |
| Compliance: | 1. a. For MR Blades with less than 1800 FH time since new:Within 300 FH after the effective date of this AD but not later than upon the accumulation of 1800 FH of the MR blade, whichever occurs first. Inspect thereafter at intervals not to exceed 300 FH. |
| b. For MR Blades with more than 1800 FH time since new:Within 300 FH after the effective date of this AD, or within 300 FH since the last required inspection. Inspect thereafter at intervals not to exceed 300 FH. | |
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| This Amendment becomes effective on 19 November 2009. | |
| Background: |