{"id":"F2006B11330","name":"AD/MSR/30 Amdt 1 - Nose Landing Gear Attachment Fitting","slug":"ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":57203,"registerId":"commonwealth-F2006B11330-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/MSR/30 Amdt 1 - Nose Landing Gear Attachment Fitting","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Aerospatiale Rallye Series Aeroplanes\n\n \n\nAD/MSR/30\n\nAmdt 1\n\n\nNose Landing Gear Attachment Fitting 13/95\n\n \n\nApplicability:  All serial numbers of models MS 880, 883, 885, 886, 887, 890, 892, 893, 894; and RALLYE 100S, 100ST, 110ST, 150T, 150ST, 150SV, 150SVS, 180T, 180TS, and 235E;\n\n \n\nRequirement: Action in accordance with SOCATA Rallye SB 152-32 Amdt.1.\n\n \n\nNote: DGAC AD 94-182(A)R1 refers.\n\n \n\nCompliance: After a hard landing, or after a significant nose landing gear shimmy occurrence.\n\n \n\nThis amendment becomes effective 7 December 1995.\n\n \n\nBackground:  This Directive is to ensure the integrity of the attachment fittings of the NLG lower arms following an incident as described in the Compliance statement.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive maintaining its original narrow scope: addressing a specific mechanical vulnerability in a defined aircraft fleet following specific operational events. The amendment (Amdt 1) appears to be a routine update without expansion beyond the original safety purpose."},"complexity_factors":["Very short document (approximately 200 words)","Only 2 defined applicability criteria (aircraft models and serial numbers)","Single requirement referencing an external technical document (service bulletin)","Simple binary trigger condition for compliance (hard landing OR shimmy occurrence)","No nested exceptions, cross-references to other legislation, or conditional logic","Straightforward background explanation with no technical sub-clauses"],"plain_english_summary":"**What this is:** This is an Airworthiness Directive (AD) — essentially a mandatory safety notice issued by Australia's Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**What it does:** It requires owners and operators of certain Aerospatiale Rallye series aeroplanes to inspect the nose landing gear (the front wheel assembly) attachment fitting after two specific events:\n- A **hard landing** (when an aircraft hits the ground harder than normal), or\n- A **significant nose landing gear shimmy** (when the front wheel wobbles or vibrates excessively)\n\n**Who must follow it:** Anyone who owns or operates the listed Rallye models — including variants like the MS 880, 885, 890 series, and RALLYE 100S through 235E. This covers all serial numbers of these models.\n\n**What action is required:** They must follow the instructions in a specific manufacturer service bulletin: \"SOCATA Rallye SB 152-32 Amdt.1\" (a technical repair notice from the plane's maker).\n\n**Why it matters:** Hard landings and gear shimmy can damage or weaken the metal fittings that hold the nose wheel in place. If these fittings fail, the nose gear could collapse during landing or taxiing, potentially causing serious accidents. This directive ensures potential damage is caught and fixed before it becomes dangerous.\n\n**When it applies:** The inspection must happen after either of the triggering events described above — not on a fixed calendar schedule."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument is presented as Amendment 1 but the text does not state any alteration of the original AD’s subject or a change in which aircraft are covered. No explicit change of scope from the original directive is indicated in the provided text (Amdt 1; Applicability)."},"complexity_factors":["Event-triggered compliance — inspections/repairs are required only after a hard landing or significant nose-gear shimmy, creating monitoring and judgment points for operators (Compliance).","Dependence on an external technical document — mandatory action is ‘in accordance with’ SOCATA Rallye SB 152-32 Amdt.1, so accessing and following that service bulletin is essential (Requirement).","Model/serial-number specificity — the AD applies to a long list of Rallye models and all serial numbers of those models, requiring fleet record checks to determine applicability (Applicability).","Technical execution burden — inspections and any repairs likely require qualified maintenance personnel, appropriate tooling and possible parts replacement (implied by Requirement/Background).","Regulatory traceability — the AD cross-references DGAC AD 94-182(A)R1, introducing an international compliance reference that operators or maintainers may need to consult (Note).","Administrative enforcement — CASA’s effective date and amendment status mean operators must track the AD’s currency and ensure maintenance records reflect compliance (Amdt 1; effective date)."],"plain_english_summary":"Requires inspections and any repairs to the nose-gear lower-arm attachment fittings on specified Aerospatiale Rallye models, carried out in accordance with SOCATA Rallye Service Bulletin 152‑32 Amendment 1. (Requirement)  The work is triggered after a hard landing or a significant nose‑gear shimmy; aircraft owners/operators must arrange and pay for the inspections/repairs, and compliance preserves the integrity of the attachment fittings. (Compliance; Background)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting","history":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting/history","analysis":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting/analysis","conflicts":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting/conflicts","importantCases":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting/important-cases","documents":"/api/acts/ad-msr-30-amdt-1-nose-landing-gear-attachment-fitting/documents"}}