Bombardier CL-600-2B19 (Regional Jet Series 100/200/440) aircraft - Inspection of Third Crewmember Oxygen Hose
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of Bombardier CL-600-2B19 Regional Jet Series 100/200/440 aircraft should inspect the third crewmember oxygen flexible hose for damage and secure installation following Bombardier Service Information Letter CRJ100/200/440-SL-35-005. Any damaged hoses must be replaced per the Aircraft Maintenance Manual. Damaged hoses should be forwarded to Bombardier for examination, and any further defects or occurrences must be reported to Transport Canada via the Web Service Difficulty Reporting System or email.
Summary
Transport Canada Service Difficulty Alert AL-2009-05 is a non-mandatory notification addressing a potential hazard involving the Bombardier CL-600-2B19 Regional Jet Series 100/200/440 aircraft. It focuses on the inspection of the third crewmember oxygen flexible hose following a fire incident near the JB1 junction box on a CRJ-200 aircraft. The alert highlights interim inspection recommendations issued by Bombardier to ensure the integrity of the third crewmember oxygen hose installation.
What changed
This alert introduces interim inspection recommendations for the third crewmember oxygen flexible hose on all Bombardier CL-600-2B19 Regional Jet Series 100/200/440 aircraft. It advises operators to pay particular attention to this hose during zonal inspections and to replace any damaged hoses according to the Aircraft Maintenance Manual. The alert does not mandate an airworthiness directive but serves as a precautionary measure while investigations continue.
Why it matters
The alert is important for aviation professionals because it addresses a safety risk related to oxygen supply system integrity, which could lead to fire hazards. Operators, maintenance organizations, and compliance teams need to ensure the third crewmember oxygen hose is inspected and maintained properly to prevent similar incidents. Early detection and replacement of damaged hoses help maintain aircraft safety and regulatory compliance.
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