Commonwealth legislation

AD/BEECH 90/98 - KA-33 Cooling Blower

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Jurisdiction

Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires owners/operators of certain Beechcraft Model C90A aeroplanes fitted with Collins EFIS-84 units (specific serial numbers listed) to implement measures protecting the KA‑33 cooling blower motor circuit. The stated purpose is to reduce the risk of smoke or a burning odour entering the cockpit or passenger compartment, and the AD was issued by the CASA delegate under subregulation 39.1(1). Affected operators must carry out the required inspections/modifications/replacements within the AD’s compliance timeframe, incurring maintenance time and parts/labour costs.

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AIRWORTHINESS DIRECTIVE

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AIRWORTHINESS DIRECTIVE

For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

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Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

AD/BEECH 90/98 KA-33 Cooling Blower 8/20

AD/BEECH 90/98 KA-33 Cooling Blower 8/2001

Applicability: Beech Model C90A aeroplanes with the following configurations:

Configuration Aeroplane Serial Number

Collins EFIS-84 System LJ-1306, LJ-1316, LJ-1318, LJ-1320

through LJ-1334 inclusive and LJ-1340 through LJ-1592 inclusive

Beechcraft 90 and 65-90 (King Air) Serie

Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

AD/BEECH 90/98 (Continued)

This Directive introduces measures intended to protect the blower motor circuit and reduce the possibility of emission of smoke or a burning odour into the cockpit or passenger compartment.

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Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 29 June 2001

View image in the official source

The above AD is notified in the Commonwealth of Australia Gazette on 11 July 2001.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

AIRWORTHINESS DIRECTIVE

Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

AD/BEECH 90/98 KA-33 Cooling Blower 8/20 AD/BEECH 90/98 KA-33 Cooling Blower 8/2001

AD/BEECH 90/98 KA-33 Cooling Blower 8/2001

Applicability: Beech Model C90A aeroplanes with the following configurations:

Configuration Aeroplane Serial Number Configuration Aeroplane Serial Number

Configuration Aeroplane Serial Number

Collins EFIS-84 System LJ-1306, LJ-1316, LJ-1318, LJ-1320

through LJ-1334 inclusive and LJ-1340 through LJ-1592 inclusive

Beechcraft 90 and 65-90 (King Air) Serie Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

Beechcraft 90 and 65-90 (King Air) Series Aeroplanes

AD/BEECH 90/98 (Continued)

This Directive introduces measures intended to protect the blower motor circuit and reduce the possibility of emission of smoke or a burning odour into the cockpit or passenger compartment.

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 29 June 2001

The above AD is notified in the Commonwealth of Australia Gazette on 11 July 2001.