Commonwealth legislation

AD/HU 369/58 - Main Rotor Swashplate Bearing - Inspection - Replacement

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Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

Mechanically, this airworthiness directive requires a one-time inspection of specified main rotor swashplate bearing assemblies on certain Hughes/Kawasaki 369 (500 series) helicopters and replacement where the bearing is incorrectly assembled. It applies to installations after 1 June 1983 except bearings with 9xxx serial numbers or a blue lacquer dot (Applicability). The manufacturer found missing ball-cage components; operators must comply before further flight after 5 January 1984 (Compliance), bearing the inspection, replacement and related downtime costs.

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AD/HU 369/58 - Main Rotor Swashplate Bearing - Inspection - Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

AD/HU 369/58 Main Rotor Swashplate Bearing - Inspection - Replacement

2/84

Applicability: All 500 model 369 Series Aircraft equipped with, swashplate bearing assembly 369A 7003-3 and main rotor installation 369A 1000-502 or 369D 21000 and main rotor swashplate installation 369A 7609-501, 369A 7609-605 or 369D 27609-501 installed after 1 June 1983 except those 369A 7003-3 swashplate bearing assemblies with 9xxx series serial numbers or marked with a blue lacquered dot on the outer surface of the bearing seal retention snap ring.

Document: Hughes Service Information Notices HN 191, EN12 and DN-125. Compliance: Before further flight after 5th January 1984.

Background: The manufacturer reports that a main rotor swashplate bearing assembly, has been found without the ball bearing cages installed, consequently a one time inspection is required to ensure correct assembly.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/HU 369/58 - Main Rotor Swashplate Bearing - Inspection - Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters

AD/HU 369/58 Main Rotor Swashplate Bearing - Inspection - Replacement

2/84

Document: Hughes Service Information Notices HN 191, EN12 and DN-125. Compliance: Before further flight after 5th January 1984.