Commonwealth legislation

AD/JT9D/4 - Incorporation of Main Gearbox Spray Nozzles

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive mandates that owners/operators of aircraft with Pratt & Whitney JT9D-3A and JT9D-7 engines install main gearbox spray nozzles by 1 February 1975. Compliance is compulsory and must follow one of three specified technical documents (manufacturer’s service bulletin or the listed ADs). Operators bear the cost, scheduling and downtime; the regulator prescribes the requirement and the acceptable methods for meeting it.

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AD/JT9D/4 - Incorporation of Main Gearbox Spray Nozzles

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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 Turbine Engines - JT9D Series

AD/JT9D/4 Incorporation of Main Gearbox Spray Nozzles 6/74

Applicability: JT9D-3A and JT9D-7 engines.

Document: 1. Pratt & Whitney TE SB 4043, Rev. 2; or 2. FAA AD 74-10-04; or

AD/PW-T/31.

Compliance: 1 February 1975.

Source text

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