Commonwealth legislation

AD/CL-600/39 - Fuel Level Sensing Wiring Chafing

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Commonwealth

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legislative instrument

Plain English Summary

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This Airworthiness Directive requires operators of Bombardier CL-600-2B19 regional jets (serial numbers 7003–7295) to inspect centre-tank fuel-level sensing wires for damage and minimum clearances, fit cushioned clamps, replace any damaged wires with a specified part, and report findings to Bombardier. Operators must carry out work to the procedures in Bombardier Alert Service Bulletin 601R-28-042 and meet the time limits in the Compliance paragraph: inspection at the next “A” check or within 500 hours, replacement before further flight, clamps within 500 hours, report within 14 days.

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AIRWORTHINESS DIRECTIVE

View image in the official source

View image in the official source
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.

AD/CL-600/39 Fuel Level Sensing Wiring C

AD/CL-600/39 Fuel Level Sensing Wiring Chafing 1/2001

Applicability: Model CL-600-2B19 “Regional Jet” aeroplanes, serial numbers 7003 through 7295 inclusive.

Requirement: 1. Visually inspect the fuel-level sensing wires in the centre fuel tank for damage and for clearance from adjacent structure in accordance with the Accomplishment Instructions of Bombardier Alert Service Bulletin (ASB) 601R-28-042 dated 14 August 2000. Clearance between the fuel probe wires and adjacent structure must not be less than 3.125mm (0.125 inch). Clearance between the loose wires and the adjacent structure must not be less than 12.5mm (0.5 inch).

2. If any damage to fuel-level sensing wires is found, replace the damaged wires Part Number (P/N) 601R57137-1/01 with wires P/N 601R57137-1/S01 in accordance with the Accomplishment Instructions of ASB 601R-28-042.

3. Install cushioned clamps between the fuel-level sensor wires and pipe P/N 601R62261-55 in accordance with the Accomplishment Instructions of ASB 601R- 28-042.

4. Report the finding of the Requirement 1 inspection to Bombardier in accordance with the procedures detailed in Annex A of ASB 601R-28-042.

Note: Transport Canada AD CF-2000-31 refers.

Compliance: For Requirement 1 - At the next “A” check or within 500 hours time in service after the effective date of this Directive, whichever occurs first.

For Requirement 2 - Before further flight.

For Requirement 3 - At the next “A” check or within 500 hours time in service after the effective date of this Directive, whichever occurs first.

For requirement 4 - Within 14 days after the Requirement 1 inspection. This Airworthiness Directive becomes effective on 25 January 2001.

Source text

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

AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

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.

AD/CL-600/39 Fuel Level Sensing Wiring C AD/CL-600/39 Fuel Level Sensing Wiring Chafing 1/2001

AD/CL-600/39 Fuel Level Sensing Wiring Chafing 1/2001

Applicability: Model CL-600-2B19 “Regional Jet” aeroplanes, serial numbers 7003 through 7295 inclusive.

2. If any damage to fuel-level sensing wires is found, replace the damaged wires Part Number (P/N) 601R57137-1/01 with wires P/N 601R57137-1/S01 in accordance with the Accomplishment Instructions of ASB 601R-28-042.

3. Install cushioned clamps between the fuel-level sensor wires and pipe P/N 601R62261-55 in accordance with the Accomplishment Instructions of ASB 601R- 28-042.

4. Report the finding of the Requirement 1 inspection to Bombardier in accordance with the procedures detailed in Annex A of ASB 601R-28-042.

Note: Transport Canada AD CF-2000-31 refers.

Compliance: For Requirement 1 - At the next “A” check or within 500 hours time in service after the effective date of this Directive, whichever occurs first.

For Requirement 2 - Before further flight.

For Requirement 3 - At the next “A” check or within 500 hours time in service after the effective date of this Directive, whichever occurs first.

For requirement 4 - Within 14 days after the Requirement 1 inspection. This Airworthiness Directive becomes effective on 25 January 2001.