Commonwealth legislation

AD/SD3-30/21 - Rudder Lower Bearing

In ForceCTH

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Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This AD requires all SD3‑30 aircraft to have the rudder lower bearing inspected and treated per Shorts SB SD3‑55‑05 R2 Part A at the next Maintenance Release after 7 May 1987 and then every 600 flight hours or 6 months. Its purpose is to reduce ice formation from water ingress. Operators/owners must ensure and pay for the recurring work and follow the referenced service bulletin for the technical details, affecting maintenance scheduling and costs.

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AD/SD3-30/21 - Rudder Lower Bearing

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Short SD3-30 Series Aeroplanes

AD/SD3-30/21 Rudder Lower Bearing 5/87

Applicability: All models.

Requirement: Action in accordance with Shorts SB SD3-55-05 R2 Part A.

Compliance: At next scheduled inspection for Maintenance Release issue after 7 May 1987 and thereafter at intervals not exceeding 600 hours time in service or 6 months, whichever occurs first.

Background: This requirement will reduce possible ice formation due to water ingress in the rudder lower bearing.

Source text

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