{"id":"F2006B03384","name":"AD/B767/28 Amdt 3 - Wing Leading Edge Slat Control Rod","slug":"ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":42886,"registerId":"commonwealth-F2006B03384-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B767/28 Amdt 3 - Wing Leading Edge Slat Control Rod","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)  \nBoeing 767 Series Aeroplanes\n\nAD/B767/28\n\nAmdt 3\n\n  \nWing Leading Edge Slat Control Rod 11/96\n\nApplicability: Model 767 series aircraft; as listed in Boeing Service Bulletin 767-57-0021 Revision 1 or Revision 5.\n\nRequirement: Action in accordance with the technical requirements of FAA AD 96-14-05 Amdt 39- 9687.\n\nCompliance: As specified in the Requirement Document.\n\nBackground: Reports were received of cracks and worn attach bolts of the control rods of the wing outboard leading edge slats. The actions specified by this Directive are intended to prevent reduced controllability of the aircraft and damage in the slat structure or fixed leading edge of the wing.\n\nAmendment 3 is issued in response to a new FAA AD which requires installation of the previously optional terminating action.\n\nThe original issue of this airworthiness directive became effective on 30 November 1989.\n\nAmendment 1 of this airworthiness directive became effective on 19 April 1990. Amendment 2 of this airworthiness directive became effective on 21 February 1991.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment remains tightly focused on its original purpose: ensuring the airworthiness of Boeing 767 wing slat control rods. Amendment 3 simply makes mandatory a previously optional terminating action, which is a natural evolution of the existing safety measure rather than an expansion of scope."},"complexity_factors":["Very short document (under 200 words)","Only 1 defined term implicitly referenced (the FAA AD number)","No nested conditional logic or exceptions","Single cross-reference to external technical document (FAA AD 96-14-05)","Straightforward applicability criteria (specific aircraft model + service bulletin)","No internal definitions section"],"plain_english_summary":"This safety order mandates inspection and repair of the outer-wing slat control rods on Boeing 767s (per Boeing Service Bulletin 767-57-0021) after cracks and worn bolts were found. Amendment 3 makes a previously optional permanent fix compulsory, affecting owners/operators of the specified 767s and closing a safety gap that could otherwise degrade controllability during takeoff/landing and damage the wing leading edge."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 3 makes mandatory the terminating action that had been optional, by adopting the new FAA AD's installation requirement. This expands the set of required actions for operators of the Boeing 767 models listed in Boeing SB 767-57-0021 (Rev 1 or 5), with compliance timing and procedures set by the referenced FAA AD and Requirement Document."},"complexity_factors":["Cross-reference to an external FAA airworthiness directive (FAA AD 96-14-05 Amdt 39-9687) for technical requirements","Dependence on Boeing Service Bulletin 767-57-0021 Revision 1 or 5 for aircraft applicability","Mandating a previously optional terminating action increases scope of mandatory work","Operational impacts: inspections, repairs, parts procurement and scheduled aircraft downtime","Compliance timing and procedures are defined in the referenced Requirement Document rather than in the AD text","Historical amendments (original AD plus Amendments 1–2) indicating evolving requirements and record-keeping for affected fleets"],"plain_english_summary":"This airworthiness directive requires Boeing 767 operators listed in Boeing Service Bulletin 767-57-0021 (Revision 1 or 5) to comply with the technical requirements of FAA AD 96-14-05 Amdt 39-9687, including installation of a previously optional terminating action. CASA says the measure responds to reports of cracked slat control rods and worn attach bolts to prevent reduced controllability and slat or wing damage. Operators must conduct inspections and repairs, procure parts, and schedule aircraft downtime in accordance with the FAA AD, imposing direct compliance and operational costs."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod","history":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod/history","analysis":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod/analysis","conflicts":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod/conflicts","importantCases":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod/important-cases","documents":"/api/acts/ad-b767-28-amdt-3-wing-leading-edge-slat-control-rod/documents"}}