{"id":"F2009L03369","name":"AD/CL-600/117 - Aft Cargo Compartment Blowout Panel Protective Cages","slug":"ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":140945,"registerId":"commonwealth-F2009L03369-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bombardier (Canadair) CL-600 (Challenger","sectionType":"division","heading":"Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes","content":"### Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes\n\n| AD/CL-600/117 | Aft Cargo Compartment BlowoutPanel Protective Cages | 10/2009 |\n| ------------- | --------------------------------------------------- | ------- |\n\n| Applicability: | Model CL-600-2C10 aircraft, serial numbers 10003 through 10268.Model CL-600-2D15 and CL-600-2D24 aircraft, serial numbers 15001 through 15205.                                                                                                                                                                                                         |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Replace the existing blowout panel protective cage assemblies in the aft baggage cargo compartment in accordance with Bombardier Service Bulletin 670BA-25-071, dated 15 May 2009, or later Transport Canada approved revision.Note: Transport Canada AD CF-2009-30 refers.                                                                            |\n| Compliance:    | Within 5,000 flight hours after 24 September 2009, unless already accomplished.                                                                                                                                                                                                                                                                        |\n|                | This Airworthiness Directive becomes effective on 24 September 2009.                                                                                                                                                                                                                                                                                   |\n| Background:    | Transport Canada received several reports of impact damage to the blowout (decompression) panel protective cage assemblies installed in the aft baggage cargo compartment. Such damage could prevent proper operation of the blowout panels, with potential degradation of smoke detection and fire extinguishing capabilities in the event of a fire. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n12 August 2009","sortOrder":0},{"sectionNumber":"AD/CL-600/117","sectionType":"part","heading":"AD/CL-600/117","content":"## AD/CL-600/117","sortOrder":1},{"sectionNumber":"Aft Cargo Compartment BlowoutPanel Prote","sectionType":"part","heading":"Aft Cargo Compartment BlowoutPanel Protective Cages","content":"## Aft Cargo Compartment Blowout  \nPanel Protective Cages","sortOrder":2},{"sectionNumber":"10/2009","sectionType":"part","heading":"10/2009","content":"## 10/2009","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD does not expand or narrow affected aircraft beyond the listed models and serial numbers; it imposes a single corrective action (replacement) following the Bombardier service bulletin and sets a compliance window of 5,000 flight hours from 24 September 2009 (Applicability; Requirement; Compliance)."},"complexity_factors":["Single, clearly stated technical action (replacement of cage assemblies) (Requirement).","Narrow applicability by model and serial number ranges, requiring operators to check serials (Applicability).","Compliance measured in flight hours with a firm effective date, creating scheduling and tracking obligations (Compliance).","Mandate relies on a manufacturer service bulletin for technical steps; parts availability and workshop capability may affect execution (Requirement).","Reference to later Transport Canada–approved revisions introduces a small scope of administrative discretion over acceptable procedures (Requirement).","Cross-reference to Transport Canada AD creates regulatory alignment but requires operators to track international authority actions (Note/Background)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Bombardier CL-600 Challenger aircraft (serial ranges listed) to replace the aft cargo compartment blowout‑panel protective cage assemblies per Bombardier Service Bulletin 670BA-25-071 (or later Transport Canada–approved revision) within 5,000 flight hours of 24 September 2009 (Requirement; Applicability; Compliance).\n\nTransport Canada issued the AD after reports that impact damage could stop blowout panels operating and degrade smoke detection and fire‑extinguishing capabilities (Background). Operators must fund and schedule the replacement, incurring parts, labour and downtime."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard single-issue Airworthiness Directive addressing a specific safety defect in specific aircraft. It has not expanded beyond its original purpose of mandating replacement of damaged blowout panel cages."},"complexity_factors":["Very short document (approximately 200 words of substantive content)","Only 3 defined applicability criteria (aircraft models and serial number ranges)","Single straightforward requirement with one referenced technical standard","Simple compliance deadline (flight hours-based)","No nested exceptions, conditional logic, or cross-references to other legislation","Clear causal chain: damage reported → safety risk identified → mandatory fix ordered"],"plain_english_summary":"Owners and operators of specified Bombardier Challenger 600-series jets must replace damaged protective metal cages around rear-cargo blowout panels with new assemblies per Bombardier Service Bulletin 670BA-25-071. This mandatory CASA Airworthiness Directive targets CL-600-2C10 (s/n 10003–10268) and CL-600-2D15/2D24 (s/n 15001–15205) to ensure blowout panels function in cargo fires. Compliance is required within 5,000 flight hours after 24 Sep 2009."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages","history":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages/history","analysis":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages/analysis","conflicts":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages/conflicts","importantCases":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages/important-cases","documents":"/api/acts/ad-cl-600-117-aft-cargo-compartment-blowout-panel-protective-cages/documents"}}