Federal Register of Legislation
COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES
Fokker F50 (F27 Mk 50) Series Aeroplanes
AD/F50/39 Elevator Torque Tube Bearing Plate Bolts 2/91
DM
Applicability: F27 Mark 050 aircraft with S/Nos 20103 through 20184.
Requirement: Action in accordance with the technical requirements of Netherlands AD BLA 90-104.
Note: Fokker SB F50-55-004 refers.
Compliance: Prior to accumulating 500 hours time in service after revised date of 4 December 1990, or prior to revised date of 1 June 1991, whichever occurs first.
Background: Country of origin AD. It was found that, during production, bolts were tightened to a torque load that was too high. To prevent failure, replacement of bolts is required.
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