Commonwealth legislation

AD/LEARJET 35/20 - Engine Firewall Sealing

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This airworthiness directive requires owners/operators of specified Learjet 35 (s/n 35‑001–35‑482) and 36 (s/n 36‑001–36‑050) aeroplanes to carry out Gates Learjet Service Bulletin SB35/36‑71‑2 to improve engine‑pylon firewall sealing.

Work must be completed within 150 flight hours of 31 August 1982, creating a binding maintenance obligation and scheduling/cost burden on operators with no alternative methods or exemptions specified in the text.

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Current sections

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AD/LEARJET 35/20 - Engine Firewall Sealing

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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 Gates Learjet 35 and 36 Series Aeroplanes

AD/LEARJET 35/20 Engine Firewall Sealing 8/82

Applicability: Learjet 35-001 to 35-482; Learjet 36-001 to 36-050. Document: Gates Learjet Service Bulletin SB35/36-71-2 refers. Compliance: Within 150 hours after 31 August 1982.

Background: Manufacturers requirement to improve fireproofing at the engine pylon firewall.

Source text

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