Commonwealth legislation

AD/LEARJET/15 - Refrigeration System Condenser Fan - Inspection and Replacement

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

3/10 complexity

This AD requires owners/operators of specified Learjet 24 and 25 (and any 23/24/25 series fitted with a condenser fan since 1 July 1977) to inspect the refrigeration condenser fan P/N stamped on a blade. If it is P/N 6608059-3, attach the required warning placard and replace the fan (with approved P/Ns) before further flight. It grounds affected aircraft until compliance; costs fall to the owner/operator.

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Current sections

Direct links to the current provisions in AD/LEARJET/15 - Refrigeration System Condenser Fan - Inspection and Replacement.

AD/LEARJET/15 - Refrigeration System Condenser Fan - Inspection and Replacement

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

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Gates Learjet 24 & 25 Series Aeroplanes

AD/LEARJET/15 Refrigeration System Condenser

Fan - Inspection and Replacement

7/77

Applicability: Model 24 with S/Nos. 24-100 to 24-356. Model 25 with S/Nos. 25-002 to 25-253.

And any 23/24 or 25 Series Learjet which has had a Condenser Fan changed since 1 July 1977.

Requirement: 1. Inspect the P/No. rubber-stamped on a blade of the refrigeration condenser fan.

If the fan bears the P/No. 6608059-3, attach a placard worded as follows to the instrument panel adjacent to the refrigeration system control switch:

WARNING

DO NOT OPERATE REFRIGERATION SYSTEM UNDER ANY CIRCUMSTANCES ON THE GROUND OR IN THE AIR UNTIL FAN HAS BEEN REPLACED.

Note: The correct fans have blades which taper in thickness towards the tip and bear the P/Nos. 6608059-2 or 6608059-4.

or Gates Learjet SB 23/24/25-284.

Compliance: Before further flight after 31 July 1977.

Source text

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

1 AD/LEARJET/15 - Refrigeration System Condenser Fan - Inspection and Replacement