Commonwealth legislation

AD/CT58/14 - Lead Lag Servo Housing

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

4/10 complexity

This airworthiness directive requires operators of General Electric CT58 turbine engines to perform the inspections and maintenance actions specified in the latest GE service document, reissued because that document adds procedures targeting fuel‑control components with counter bores in lead‑lag servo housing screw holes.

It affects CT58 owners/operators (who bear inspection and repair costs) and their maintenance providers; it matters because it creates a mandatory compliance obligation and may increase maintenance workload, downtime and parts replacement.

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Current sections

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AD/CT58/14 - Lead Lag Servo Housing

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source General Electric Turbine Engines - CT58 Series

AD/CT58/14 Lead Lag Servo Housing 9/85

Applicability: All CT58 model engines.

Document: General Electric SB (CT58) A73-71 Rev. 1; or AD/GE-T/36A.

Compliance: As per the requirement document.

Background: This Directive is raised in issue to reflect the latest issue of the manufacturers requirement document, which adds additional inspection procedures concerning fuel controls that contain counter bores in two of the screw holes used to retain the lead lag servo housing.

Source text

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