{"id":"F2006B10885","name":"AD/JETSTREAM/18 Amdt 2 - Control Cable Ball End Fittings","slug":"ad-jetstream-18-amdt-2-control-cable-ball-end-fittings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":56412,"registerId":"commonwealth-F2006B10885-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/JETSTREAM/18 Amdt 2 - Control Cable Ball End Fittings","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBritish Aerospace BAe 3100 (Jetstream) Series Aeroplanes\n\nAD/JETSTREAM/18\n\nAmdt 2\n\n  \nControl Cable Ball End Fittings 10/87\n\nApplicability: As listed in the requirement document.\n\nRequirement: Action in accordance with British Aerospace Alert SB 27-A-JA870210 Rev 1.\n\nCompliance: a. Prior to achieving 2400 hours total time in service for those aircraft fitted with cables P/No’s 13767E413 and 13767E401; or\n\nb. Prior to achieving 3600 hours total time in service for those aircraft fitted with cables P/No’s 137492E401, 13767E427, 13767E401, 13767E423 and 13767E414.\n\nBackground: A number of control cable assemblies from a particular source have exhibited cracks on the end face of the swaged ball fitting. Propagation of the cracking may lead to ball end failure and loss of a primary flight control. Amdt 1 to this Directive reflects the issue of Revision 1 to the S.B. which amends the applicability and corrects a Part No. Amdt 2 reflects the differing build standard of the Australian aircraft.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Yes. The amendment updated applicability and corrected a part number (Amdt 1) and Amdt 2 adjusts the directive to reflect differing Australian build standards, resulting in specific part-numbered cables being subject to distinct compliance hour thresholds."},"complexity_factors":["Requires following an external manufacturer's service bulletin (British Aerospace Alert SB 27-A-JA870210 Rev 1), creating dependency on that document for procedural detail.","Multiple specific part numbers are listed with two different compliance thresholds (2400 and 3600 hours), adding tracking complexity for operators.","Applicability is referenced to a separate 'requirement document', so the AD does not itself list affected serials/aircraft—operators must consult another document.","Safety-critical risk (cracking can lead to primary flight control loss) increases urgency and record-keeping/inspection burdens.","Amendments reflect differing Australian build standards and corrected part numbers, introducing retroactive applicability changes that operators must reconcile with fleet records."],"plain_english_summary":"This airworthiness directive requires operators of British Aerospace BAe 3100 (Jetstream) series aeroplanes to carry out the inspections and corrective actions set out in British Aerospace Alert SB 27-A-JA870210 Rev 1 for specified control cable ball end fittings. The directive sets mandatory compliance before the listed cables reach specified total time‑in‑service limits (either 2400 or 3600 hours) to address cracking that can lead to ball-end failure and loss of a primary flight control.\n\nOperators pay for inspections and any repairs, must record compliance, and the Civil Aviation Safety Authority enforces the requirement."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This amendment remains tightly scoped to its original purpose: addressing cracked control cable ball fittings on Jetstream aircraft. Amendment 2 makes a minor territorial adjustment for Australian build standards but does not expand the directive's substantive coverage beyond the specific mechanical defect identified in 1987."},"complexity_factors":["Short, single-purpose directive (approximately 200 words)","Only 6 specific part numbers referenced","Simple binary compliance structure (two flight-hour thresholds based on cable type)","Single cross-reference to external technical document (British Aerospace Service Bulletin)","No nested definitions or interpretation section","Clear applicability statement deferring to 'requirement document'","Background section provides plain-language explanation of safety risk"],"plain_english_summary":"This CASA Airworthiness Directive orders owners/operators of British Aerospace Jetstream aircraft to inspect or replace specified control cable ball end fittings because cracks have been found where the ball attaches, risking loss of primary flight‑control. \n\nAffected aircraft with listed part‑numbered cables must comply before specified flight‑hour thresholds by following BAe Alert Service Bulletin 27‑A‑JA870210 Rev 1; this amendment tailors requirements for Australian‑registered Jetstreams."}},"importantCases":[],"_links":{"self":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings","history":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings/history","analysis":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings/analysis","conflicts":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings/conflicts","importantCases":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings/important-cases","documents":"/api/acts/ad-jetstream-18-amdt-2-control-cable-ball-end-fittings/documents"}}