Eurocopter BK 117 Series Helicopters
Eurocopter BK 117 Series Helicopters
Eurocopter BK 117 Series Helicopters
| AD/GBK 117/5 Amdt 1 | Electrical Bonding and Static Dischargers | 9/2009 |
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| Applicability: | All MBB BK 117 helicopters with serial numbers from 7001 up to and including 7241. |
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| Requirement: | 1. Install electrostatic dischargers and modify fuel vent outlet ports in accordance with Alert Service Bulletin ASB-MBB-BK 117-90-105. |
| 2. For serial numbers up to 7215 remove, without replacing, the fuel return lines; and inspect fuel supply tank vent outlet ports; in accordance with Alert Service Bulletin ASB-MBB-BK 117-60-107 and SB-MBB-BK 117-60-108 respectively. | |
| Note 1: LBA AD 90-212/2 refers.Note 2: FAA AD 91-06-11 (b), (c) and (d) refer. | |
| Compliance: | If not already accomplished, within 50 hours time in service after the effective date of this amendment. |
| This Amendment becomes effective on 27 August 2009. | |
| Background: | The original issue of this AD was issued in 1994. It applied to Kawasaki BK 117 by serial number, and referred to Kawasaki KSB-117-077 and JCAB AD 3432-91. |
| Amendment 1 is raised to nominate MBB helicopters, the MBB Service Bulletin, and the LBA and FAA Airworthiness Directives. Amendment 1 also adds Requirement No. 2. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
15 July 2009