{"id":"F2006B08622","name":"AD/CL-600/59 - IDG Cables","slug":"ad-cl-600-59-idg-cables","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":51586,"registerId":"commonwealth-F2006B08622-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nFor 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.\n\n![](image.001.png)\n\nBombardier (Canadair) CL-600 (Challenger) Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/CL-600/59 IDG Cables 10/2002 DM","sectionType":"part","heading":"AD/CL-600/59 IDG Cables 10/2002 DM","content":"# AD/CL-600/59 IDG Cables 10/2002 DM\n\nApplicability: Model CL-600-2B19 \"Regional Jet\", serial numbers (S/N) 7003 through 7067 and 7069 through 7303; and\n\nModel CL-600-2B16 \"Challenger\", S/N 5135 through 5194 and 5301 through 5408.\n\nRequirement: If not previously accomplished, carry out the following:","sortOrder":1},{"sectionNumber":"Part A.","sectionType":"part","heading":"- For CL-600-2B19 \"Regional Jet\" Aircraft","content":"## Part A. \\- For CL-600-2B19 \"Regional Jet\" Aircraft\n\n    For aircraft S/N 7003 through 7067 and 7069 through 7301, inspect the integrated drive generator (IDG) cables to verify clearances, and repair or replace the IDG cables as required, in accordance with Canadair Alert Service Bulletin (ASB) A601R-24-095 dated 23 March 1999, or ASB A601R-24-095, Revision A, dated 25 March 1999.\n    For aircraft S/N 7003 through 7067 and 7069 through 7303, inspect, verify and correct (if required) the clearance between the 10th stage bleed air check valve and the fuel manifold pigtails in accordance with Canadair ASB A601R-73-008 dated 1 April 1999, or ASB A601R-73-008, Revision A, dated 10 April 1999. If there is damage to the fuel manifold pigtails, inspect in accordance with General Electric (GE) CF34 Engine Manual SEI-756, Chapter 72-09-05 (Hose and Tube Assemblies - Inspection/Hose and Tube Assemblies - Repair) to determine serviceability; repair if required.\n\n    3. Report the findings of the above inspections (and corrective action if required) to Bombardier.","sortOrder":2},{"sectionNumber":"Part B.","sectionType":"part","heading":"- For CL-600-2B16 \"Challenger\" Aircraft","content":"## Part B. \\- For CL-600-2B16 \"Challenger\" Aircraft\n\n    Inspect the IDG cables to verify clearances, and repair or replace the IDG cables as required, in accordance with Bombardier Alert Wire TA601-055 dated\n\n31 March 1999, paragraph 6B, Part A, or Bombardier (ASB) A601-0524 dated 19 April 1999.","sortOrder":3},{"sectionNumber":"Bombardier (Canadair) CL-600 (Challenger","sectionType":"part","heading":"Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes","content":"## Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes\n\nAD/CL-600/59 (Continued)\n\n    2. Inspect, verify and correct (if required) the clearance between the 10th stage bleed air check valve and the fuel manifold pigtails in accordance with Bombardier Alert Wire TA601-055, paragraph 6C, Part B, or Bombardier ASB A604-73-001 dated 19 April 1999. If there is damage to the fuel manifold pigtails, inspect in accordance with General Electric (GE) CF34 Service Manual SEI-780, Chapter 72-00-00 (Maintenance Practice 57) to determine serviceability; repair if required.\n    3. Report the findings of the above inspections (and corrective action if required) to Bombardier.\n\nNote: Transport Canada AD CF-99-09R1 refers.\n\nCompliance: For Requirements A.1 and A.2 \\- Within 50 hours time in service (TIS) after the effective date of this Directive. Any corrective action required as a result of the inspections must be accomplished before further flight.\n\nFor Requirement A.3 \\- Within 10 days after completing the inspection and, if applicable, the corrective action.\n\nFor Requirements B.1 and B.2 - Within 50 hours time in service (TIS) after the effective date of this Directive. Any corrective action required as a result of the inspections must be accomplished before further flight.\n\nFor Requirement B.3 \\- Within 10 days after completing the inspection and, if applicable, the corrective action.\n\nThis Airworthiness Directive becomes effective on 14 August 2002.\n\nBackground: Transport Canada received a report of an incident where the insulation covering on the IDG cable harness on a Regional Jet was chafed down to bare wire; there was also evidence that a brief flash fire occurred. In addition, Transport Canada has received two reports of chafing damage to the main engine right fuel manifold on RJ aircraft.\n\nThis Directive requires inspection of IDG cables to verify clearance and, if necessary, corrective action to ensure adequate clearance and/or cable replacement. These actions are intended to ensure the integrity of the IDG cables and fuel manifolds.\n\n![Signature of Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 7 August 2002\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 14 August 2002.","sortOrder":4}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The Directive implements targeted inspection, corrective action and reporting requirements for specific CL‑600 serials consistent with the Transport Canada AD it cites. It does not broaden applicability or add requirements beyond the technical inspections, repairs and reporting set out in the Requirement and Compliance sections."},"complexity_factors":["Narrow applicability by model and multiple serial‑number ranges (Applicability) increases administrative tracking.","Different procedures for two model variants (Parts A and B) requiring different Bombardier/Canadair documents (Requirement).","Multiple referenced service documents and revisions (Canadair/Bombardier ASBs, Alert Wires, GE/CF34 manuals) create conformity demands.","Short mandatory deadlines: inspections within 50 hours TIS and reporting within 10 days; repairs required before further flight (Compliance).","Technical inspection/repair work (IDG cable clearance, fuel manifold pigtail inspection/repair) requires certified maintenance capability.","Cross‑reference to Transport Canada AD CF‑99‑09R1 introduces alignment and potential for parallel regulatory obligations (Note)."],"plain_english_summary":"This Airworthiness Directive requires operators of specified Bombardier CL-600-2B19 and CL-600-2B16 aircraft (identified serial numbers) to inspect IDG cables and the clearance between the 10th‑stage bleed air check valve and fuel‑manifold pigtails, repair or replace items as needed, and report findings to Bombardier (Applicability; Requirement; Compliance).\n\nCASA issued the AD after reports of cable chafing and a brief flash fire risk; inspections must be done within 50 hours TIS, repairs completed before further flight, and reports filed within 10 days. Operators bear inspection/repair costs and must follow the Bombardier/GE service documents cited (Background; Compliance)."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive addressing a specific safety defect. The scope remains tightly focused on the identified unsafe condition (IDG cable chafing and fuel manifold damage) and does not extend beyond the necessary corrective actions."},"complexity_factors":["Multiple aircraft variants with different serial number ranges requiring slightly different technical procedures","References to external technical documents (Alert Service Bulletins, Alert Wires, Engine Manuals) without reproducing their content","Nested conditional requirements (if damage found, then follow specific manual chapter; if not previously accomplished, then inspect)","Dual compliance timelines (50 flight hours for physical work, 10 days for reporting)","Cross-reference to Canadian aviation authority (Transport Canada AD CF-99-09R1)"],"plain_english_summary":"CASA has issued a mandatory safety order for certain Bombardier Challenger regional jets to inspect and repair IDG electrical cables and nearby fuel lines after cable chafing was found to wear insulation and once caused a brief fire. Affected owners/operators must inspect clearances and fix any damage before further flight, and report results to Bombardier.\n\nThis prevents in‑flight electrical fires or fuel leaks on the listed Challenger serial-number ranges and makes compliance a legal requirement."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cl-600-59-idg-cables","history":"/api/acts/ad-cl-600-59-idg-cables/history","analysis":"/api/acts/ad-cl-600-59-idg-cables/analysis","conflicts":"/api/acts/ad-cl-600-59-idg-cables/conflicts","importantCases":"/api/acts/ad-cl-600-59-idg-cables/important-cases","documents":"/api/acts/ad-cl-600-59-idg-cables/documents"}}