AD/BELL 412/38 - Hydraulic Servo Actuator Shoulder Bolt
1AD/BELL 412/38 - Hydraulic Servo Actuator Shoulder Bolt
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
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Bell Helicopter Textron 412 Series Helicopters
AD/BELL 412/38 Hydraulic Servo Actuator Shoulder Bolt 13/95
Applicability: All Bell Helicopter Textron 412 Series Helicopters S/N 33001 through 33213, 36001
through 36104 and 34001 through 34024, 46400 through 46408 which have servos installed which have been overhauled or repaired by a facility not approved by HR Textron.
Requirement: Unless previously carried out, action in accordance with Bell ASB 412-95-86. Compliance: Within 25 hours time in service from 7 December 1995 or by 31 January 1996,
whichever occurs first.
Background: Bell Textron has advised that unauthorised rework/repair of the shoulder bolts may have been carried out. An inspection of the shoulder bolts for possible unauthorised chrome plating is required.