{"id":"F2006B06883","name":"AD/SD3-60/38 Amdt 1 - Wing Strut Distance Piece and Adjacent Side Plates Corrosion","slug":"ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114763,"registerId":"commonwealth-F2006B06883-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SD3-60/38 Amdt 1 - Wing Strut Distance Piece and Adjacent Side Plates Corrosion","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)  \nShort SD3-60 Series Aeroplanes\n\nAD/SD3-60/38\n\nAmdt 1\n\nApplicability: All Models.\n\n  \n\nWing Strut Distance Piece and Adjacent Side Plates Corrosion\n\n  \n9/93\n\nRequirement: Action in accordance with Shorts Mandatory SB SD360-53-38 Revision 1.\n\nNote: Accomplishment of SB SD360-53-39 constitutes terminating action for the inspections required by SB SD360-53-38.\n\nCompliance: a. Unless the inspection of both the distance piece and adjacent side plates has already been accomplished, within 30 days after 19 August 1993.\n\nb. Reinspect reworked distance pieces and/or side plates at intervals not to exceed 600 hours time in service or 3 months, whichever occurs first.\n\nBackground: Corrosion had been detected on the horizontal leg of the distance piece during non routine maintenance.\n\nAmendment 1 is issued to reflect a revision of the Requirement Document which introduces an inspection of the side plates in addition to the distance piece, and a repeat inspection of any reworked parts.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This amendment slightly expands the original directive's scope by adding side plate inspections and repeat inspection requirements for reworked parts, but remains tightly focused on the specific corrosion issue in the wing strut assembly. The expansion is a natural safety evolution rather than scope creep."},"complexity_factors":["Single aircraft type applicability (Short SD3-60 series only)","References to external technical documents (Service Bulletins SD360-53-38 and SD360-53-39) without reproducing their content","Simple conditional logic: 'unless already accomplished' exemption for initial inspection","Straightforward compliance timeline: fixed date (30 days post-19 August 1993) plus recurring interval (600 hours/3 months)","Minimal defined terms (only 'time in service' implied)","No nested exceptions or cross-references to other legislation","Single amendment tracking (Amendment 1) with clear explanation of changes from original"],"plain_english_summary":"This CASA Airworthiness Directive affects all Short SD3-60 aircraft, requiring inspection of the wing strut distance piece and adjacent side plates for corrosion and corrective action per Shorts Mandatory Service Bulletin SD360-53-38 Rev 1 (or SB SD360-53-39 as a permanent alternative). Owners, operators and maintenance organisations must do an initial check (within 30 days of 19 Aug 1993) and re‑inspect any repaired/replaced parts every 600 flight hours or 3 months. The amendment adds side plates and repeat inspections to close a structural-safety gap."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Yes. The original requirement focussed on the distance piece. Amendment 1 expands the inspected structure to include adjacent side plates and introduces repeat inspections for any reworked distance pieces or side plates, thereby widening the set of components covered and adding an ongoing compliance burden (Amendment 1; Requirement; Compliance b)."},"complexity_factors":["Broad applicability: explicitly applies to \"All Models\" (Applicability).","External-norm dependency: Requirement is to act in accordance with Shorts Mandatory SB SD360-53-38 Rev 1 (Requirement), creating reliance on an external service bulletin for procedural detail.","Fixed short deadline for initial compliance: inspection due within 30 days after 19 August 1993 unless already done (Compliance a).","Recurring inspection obligation for reworked parts: reinspections at intervals not exceeding 600 hours TIS or 3 months (Compliance b).","Terminating-action cross-reference: accomplishment of SB SD360-53-39 removes the inspection requirement (Note), adding conditional scope change.","Amendment expands scope: adds inspection of adjacent side plates and repeat inspections for reworked parts (Background/Amendment 1).","Enforcement context: issued under the Civil Aviation Safety Authority AD framework (header), implying regulatory enforceability."],"plain_english_summary":"This airworthiness directive requires operators of Short SD3-60 aeroplanes to inspect the wing-strut distance piece and adjacent side plates for corrosion under Shorts Mandatory Service Bulletin SD360-53-38 Rev 1. Unless already done, inspections must occur within 30 days after 19 August 1993; reworked parts must be reinspected every 600 hours or 3 months.\n\nIt affects all SD3-60 operators, who pay for inspections and any repairs and must follow the stated service bulletin; the AD is enforceable by the Civil Aviation Safety Authority. Amendment 1 added side-plate inspections and repeat inspections for reworked parts."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion","history":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion/history","analysis":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion/analysis","conflicts":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion/conflicts","importantCases":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion/important-cases","documents":"/api/acts/ad-sd3-60-38-amdt-1-wing-strut-distance-piece-and-adjacent-side-plates-corrosion/documents"}}