Electrical System Installation — Lavatory A Maintenance Panel — Harnesses Inadequately Secured
- Published
- Effective
- Replaces
- 2025-04
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators must perform a detailed inspection of the electrical harness and sleeve in Lavatory A within 12 months from the effective date of the original AD CF-2025-04 (by 30 January 2025). Any damage or incorrect installation found must be repaired or corrected before further flight following ACLP Service Bulletin BD500-254018 procedures. Compliance with the earlier issue of the service bulletin dated 11 June 2024 also satisfies these requirements.
Summary
Canadian Airworthiness Directive CF-2025-45 addresses electrical system installation issues related to inadequately secured harnesses in the Lavatory A maintenance panel on Airbus Canada Limited Partnership (ACLP) Model BD-500-1A10 and BD-500-1A11 aircraft. This directive updates previous requirements to include additional serial numbers and mandates inspections and corrective actions to prevent chafing and potential fire hazards. It applies to aircraft serial numbers 50001 through 50066 for the BD-500-1A10 and 55001 through 55167 for the BD-500-1A11.
What changed
CF-2025-45 revises the applicability of the previous AD CF-2025-04 by including new aircraft serial numbers identified by ACLP that require corrective actions. The directive maintains the original inspection and repair requirements but expands the scope to ensure all affected aircraft are covered. It also confirms that compliance with an earlier service bulletin issue meets the directive's requirements.
Why it matters
This directive is critical for aviation professionals because improperly secured electrical harnesses near oxygen supply lines can cause chafing, creating ignition sources that may lead to uncontrolled fires. Operators and maintenance organizations must ensure compliance to maintain aircraft safety and airworthiness. Failure to address these issues could result in operational restrictions or increased safety risks.
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