{"id":"F2006B06916","name":"AD/SEATS/10 - Sicma Aero Seat Leg Collars","slug":"ad-seats-10-sicma-aero-seat-leg-collars","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114796,"registerId":"commonwealth-F2006B06916-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SEATS/10 - Sicma Aero Seat Leg Collars","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nSeats and Berths\n\nAD/SEATS/10 Sicma Aero Seat Leg Collars 10/97 DM\n\nApplicability: Seats with Part Number and Serial Number listed in the table below, equipped with leg collars Part Number 95-000100-008-0:\n\n| SEAT P/N   | S/N       | SEAT P/N   | S/N      | SEAT P/N   | S/N      |\n| ---------- | --------- | ---------- | -------- | ---------- | -------- |\n| 5036211-01 | 7 & 8     | 91A1300-02 | 2        | 9612201-14 | 1        |\n| 5036201-02 | 7 & 8     | 91A1310-03 | 7 & 8    | 9612210-31 | 1        |\n| 5036211-03 | 4         | 91A1300-04 | 8 & 9    | 9612200-32 | 1        |\n| 5036201-04 | 4         | 91A1310-05 | 3        | 5038211-01 | 69 to 81 |\n| 5036241-05 | 10 to 12  | 91A1300-06 | 3        | 5038201-02 | 70 to 82 |\n| 6573211-01 | 7 & 8     | 91A1310-07 | 2        | 5038241-03 | 79 to 85 |\n| 6573201-02 | 7 & 8     | 91A1300-08 | 2        | 5038211-07 | 1        |\n| 6573211-03 | 17 to 20  | 91A1310-09 | 2        | 5038201-08 | 1        |\n| 6573201-04 | 17 to 20  | 91A1310-11 | 2        | 5044211-01 | 13       |\n| 6573211-05 | 4         | 9611210-01 | 11 to 20 | 5044201-02 | 13       |\n| 6573201-06 | 4         | 9611200-02 | 9 to 16  | 5044241-03 | 13       |\n| 6573341-07 | 7 & 8     | 9611211-03 | 2        | 6573211-11 | 2        |\n| 9184210-15 | 9 & 10    | 9611201-04 | 2        | 6573211-12 | 2        |\n| 9184200-16 | 9 & 10    | 9611200-06 | 2        | 5673211-13 | 2        |\n| 9184210-17 | 5         | 9611210-11 | 2        | 5673211-14 | 2        |\n| 9184200-18 | 5         | 9611200-16 | 2        | 5673211-15 | 2        |\n| 9184440-20 | 96 to 124 | 9612210-21 | 1 to 16  | 5673211-16 | 2        |\n| 9184440-21 | 9 to 10   | 9612200-22 | 1 to 15  |            |          |\n| 91A1310-01 | 2         | 9612211-13 | 1        |            |          |\n\nRequirement: Replace the leg collars in accordance with Sicma Aero Seat SB 95-25-003.\n\nNote: DGAC AD 97-134(AB) refers.\n\nCompliance: Before 18 September 1997.\n\nThis airworthiness directive becomes effective on 6 August 1997 for Qantas and Ansett Australia, and 11 September for all other operators of this equipment.\n\nBackground: The seat manufacturer advised that a different anti corrosion treatment was used on the affected leg collars and that treatment may cause the collars not to meet the seat structural certification requirement. The manufacturer has advised that Ansett Australia is the only known operator in Australia.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The directive confines action to the seats and serial numbers listed and to leg collars with Part Number 95-000100-008-0, requiring replacement per the Sicma service bulletin. That matches the manufacturer's identified problem (different anti‑corrosion treatment) and does not expand scope beyond the parts/operators cited (Applicability; Requirement; Background)."},"complexity_factors":["Large, specific applicability table listing many seat Part Numbers and Serial Numbers increases tracking and inventory effort for operators (Applicability table).","Mandates a specific repair action by reference to an external manufacturer service bulletin (Sicma Aero Seat SB 95-25-003), requiring operators to obtain and follow that document (Requirement).","Fixed compliance deadline (Before 18 September 1997) plus staggered effective dates for certain operators (effective 6 August 1997 for Qantas and Ansett; 11 September for others) creates scheduling and prioritisation pressure (Compliance; This airworthiness directive becomes effective…).","Technical safety basis derives from manufacturer's report about an altered anti‑corrosion treatment affecting structural certification, so verification relies on manufacturer-supplied defect description (Background).","Reference to a foreign authority AD (DGAC AD 97-134(AB)) introduces potential need to reconcile actions across jurisdictions or with imported guidance (Note).","Operational costs and downtime are borne by operators who must replace collars; the AD does not quantify cost or provide alternative compliance methods (Requirement; Compliance).","Narrow scope (only collars with P/N 95-000100-008-0 on listed seats) concentrates attention but requires precise records and inspections to determine applicability (Applicability; Requirement).","Statement that only one operator was known in Australia (Ansett) suggests limited affected population, but the directive still lists many serials and applies to all operators who have matching equipment (Background; Applicability)."],"plain_english_summary":"Requires operators to replace Sicma Aero seat leg collars (Part Number 95-000100-008-0) on the specific seat part‑number and serial‑number combinations listed, using Sicma Aero Seat Service Bulletin 95-25-003. Applies to operators of those seats (Qantas and Ansett have earlier effective dates). The manufacturer advised the collars received a different anti‑corrosion treatment that may mean they do not meet the seat structural certification requirement, so replacements are mandated to restore certification 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":2,"scope_assessment":{"changed":false,"description":"This is a standard airworthiness directive with narrow, targeted scope. It addresses a specific manufacturing defect in specific seat models and does not represent scope creep from any original broader purpose."},"complexity_factors":["Single, clear requirement: replace specific parts","No defined terms section or complex legal definitions","Limited conditional logic — applicability determined by simple part/serial number matching","No cross-references to other legislation (only references a manufacturer service bulletin and French aviation authority directive)","Short document with straightforward compliance date structure","Technical complexity exists in the engineering specification, but legal/regulatory structure is simple"],"plain_english_summary":"This CASA safety order requires airlines to replace faulty Sicma Aero seat “leg collars” (metal rings securing seat legs to the floor) because an incorrect anti‑corrosion coating may weaken them, risking seat detachment in turbulence or a crash. It affects operators using the listed seat part/serial numbers (including Qantas and Ansett) and mandates replacement per the manufacturer’s service bulletin with compliance deadlines in August–September 1997."}},"importantCases":[],"_links":{"self":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars","history":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars/history","analysis":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars/analysis","conflicts":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars/conflicts","importantCases":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars/important-cases","documents":"/api/acts/ad-seats-10-sicma-aero-seat-leg-collars/documents"}}