AD/BO 105/14 - Dual Hydraulic System Switch Over
1AD/BO 105/14 - Dual Hydraulic System Switch Over
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Eurocopter BO 105 Series Helicopters
AD/BO 105/14 Dual Hydraulic System Switch Over 10/89
DM
Applicability: All model BO 105 helicopters with tandem hydraulic units P/N 105-45028 having valve body manifolds D133-756E, D133-756, ZE1-126-1, ZE2-126-1 or ZE2-126 installed in either No. 1 or 2 hydraulic system.
Requirement: Action in accordance with MBB Alert Service Bulletin No ASB-BO 105-40-102.
Note: LBA AD 89-123 refers.
Compliance: Within 50 hours time in service after 25 August 1989 or by 30 September 1989, whichever occurs first.
Background: Due to possible excessive wear in the servo connecting components a functional test of the hydraulic system switch over is required.