Commonwealth legislation

AD/PT6A/19 - Fuel Control Bypass Valve Diaphragm

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Commonwealth

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legislative instrument

Plain English Summary

4/10 complexity

This Airworthiness Directive requires operators of certain Pratt & Whitney Canada PT6A-38, -41 and -45A engines fitted with specified Aviation Electric Fuel Control Units to carry out corrective actions by following the referenced service/airworthiness documents. It creates a 100‑hour time‑in‑service compliance window from 30 November 1978. Affected owners, operators and maintenance organisations must identify impacted units and fund inspections/repairs per the referenced documents to address a fuel control bypass valve diaphragm issue.

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AD/PT6A/19 - Fuel Control Bypass Valve Diaphragm

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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 Pratt and Whitney Canada Turbine Engines - PT6A Series

AD/PT6A/19 Fuel Control Bypass Valve Diaphragm 10/85

Applicability: PT6A-38, -41 and 45A engines fitted with Aviation Electric Fuel Control Units P/No 3244723-3 thru -10, 3244738-5, 3244738-6, 3244752-6 thru -10, and 3244755-7 thru-

Document: 1. Pratt & Whitney Aircraft of Canada SB No. 3103; 2. FAA AD 78-17-07, Amendment 39-3287; or

AD/UAC-T/31.

Compliance: Within the next 100 hours time in service after 30 November 1978.

Source text

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