{"id":"F2006B10188","name":"AD/GAF-N22/41 - Emergency Exit Door Lock Mechanism - Inspection","slug":"ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55846,"registerId":"commonwealth-F2006B10188-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/GAF-N22/41 - Emergency Exit Door Lock Mechanism - Inspection","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)  GAF N22 and N24 Series Aeroplanes\n\n \n\n# AD/GAF-N22/41 Emergency Exit Door Lock Mechanism - Inspection\n\nApplicability: All models N22 and N24.\n\n \n\nDocument: GAF Telex Nomad Alert SB ANMD 52-2.\n\n# 5/81\n\n \n\nCompliance: Unless already accomplished, within 10 hours time in service after 16 April 1981.\n\n \n\nBackground:  Instances have occurred in which the lock mechanism spindle on the emergency exit door has been incorrectly positioned before fitting the handle.\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\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 discrete, time-bound safety directive from 1981. It has not expanded beyond its original narrow purpose of inspecting a specific mechanical defect on specific aircraft models. The scope remains exactly as intended: a targeted airworthiness inspection requirement."},"complexity_factors":["Extremely short document (under 200 words)","No defined terms section — all language is plain operational English","Single, unambiguous compliance requirement (inspect and correct if necessary)","No cross-references to other legislation or regulations beyond the parent Civil Aviation Regulations 1998","No conditional logic or exceptions — applies to all N22/N24 models without qualification","References only one technical document (GAF Telex Nomad Alert SB ANMD 52-2/5/81)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It applies to all **GAF N22 and N24 Nomad aircraft** (twin-turboprop planes originally built by the Government Aircraft Factories).\n\n**What it requires:**\n- **Inspection of the emergency exit door lock mechanism** — specifically checking that the lock mechanism spindle is correctly positioned before the handle is fitted.\n\n**Why it matters:**\n- The background notes that some aircraft had the spindle **incorrectly positioned** during assembly or maintenance. This could potentially prevent the emergency exit from functioning properly in an emergency — a serious safety risk for passengers and crew.\n\n**When it had to be done:**\n- Within **10 hours of flying time** after 16 April 1981 (unless already fixed).\n\n**Key point:** This is a **retrospective safety fix** — it doesn't change how planes are built going forward, but mandates that existing aircraft be checked and corrected if necessary."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive, as written, applies to all GAF N22 and N24 models and requires an inspection within a set short timeframe; the text contains no indication that the scope has been expanded, narrowed, or otherwise altered from its stated purpose. The requirement, procedure reference, and compliance deadline are all specified within the document."},"complexity_factors":["Narrow applicability: applies only to GAF N22 and N24 models (Applicability).","Short, time‑critical compliance window (10 hours time in service after 16 April 1981) increases scheduling pressure (Compliance).","Procedure is delegated to an external document (GAF Telex Nomad Alert SB ANMD 52-2), so effective compliance depends on that bulletin's content and availability (Document).","Directive is concise and prescriptive about timing but omits procedural detail and enforcement mechanisms, leaving technical discretion to maintenance personnel (Compliance; Document).","Background identifies a single type of fault (incorrect spindle positioning) but does not quantify prevalence or remedial actions, which can complicate planning (Background)."],"plain_english_summary":"The directive mandates a time-critical inspection of the emergency-exit door lock spindle on all GAF Nomad N22 and N24 aircraft, to detect and correct reported incorrect spindle positioning. Operators/owners must complete the inspection within 10 hours time-in-service after 16 April 1981 and follow the procedure in GAF Telex Nomad Alert SB ANMD 52-2.  \n\nIt imposes immediate maintenance costs and potential downtime on operators, relying on the referenced telex for detailed steps and corrective actions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection","history":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection/history","analysis":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection/analysis","conflicts":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection/conflicts","importantCases":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection/important-cases","documents":"/api/acts/ad-gaf-n22-41-emergency-exit-door-lock-mechanism-inspection/documents"}}