{"id":"F2006B07393","name":"AD/TECNAM/1 - Fin Rear Spar","slug":"ad-tecnam-1-fin-rear-spar","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49584,"registerId":"commonwealth-F2006B07393-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.001.png)  \n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nTECNAM P92, P96, and P2002 Series Aeroplanes","sortOrder":0},{"sectionNumber":"AD/TECNAM/1 Fin Rear Spar 12/2003","sectionType":"part","heading":"AD/TECNAM/1 Fin Rear Spar 12/2003","content":"# AD/TECNAM/1 Fin Rear Spar 12/2003\n\nApplicability: Model P92-J aircraft, serial numbers 001 through 012, except serial number 003. Requirement: 1. Inspect in accordance with Instructions Paragraph 1.1 of Tecnam Service Bulletin\n\nNo. P92J-09.\n\nIf a crack or other discrepancy is detected by any Requirement 1 inspection, before further flight, contact the manufacturer to obtain further instructions.\n\n2. Modify in accordance with Instructions Paragraph 1.2 of Tecnam Service Bulletin No. P92J-09.\n\nNote: ENAC AD 2003-260 refers.\n\nCompliance: 1. Before further flight after 27 November 2003, unless already accomplished.\n\nThereafter inspect at intervals not to exceed 50 flight hours until Requirement 2 is accomplished.\n\n2. For aircraft that have accumulated less than 600 total flight hours at the effective date of this Directive; at the next 600 hours scheduled special inspection after 27 November 2003.\n\nFor aircraft that have accumulated more than 600 total flight hours at the effective date of this Directive; at the next 100 hours scheduled inspection after 27 November 2003.\n\nThis Airworthiness Directive becomes effective on 27 November 2003.\n\nBackground: A report was received of a crack on the rear spar of an aircraft’s vertical fin.\n\n![Signature of David Villiers Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nDavid Villiers\n\n![](image.001.png)Delegate of the Civil Aviation Safety Authority 13 October 2003","sortOrder":1}],"analysis":{"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"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD adopts the scope of the referenced ENAC AD and confines action to specified Tecnam P92‑J serial numbers, requiring inspection and modification per Tecnam Service Bulletin P92J‑09. The instrument does not expand applicability beyond the aircraft identified in the Applicability section and follows the manufacturer/ENAC instructions cited (Note; Requirement; Compliance)."},"complexity_factors":["Narrow, specific applicability to Model P92‑J, serial numbers 001–012 except 003 (Applicability).","Inspection and modification actions are prescribed by Tecnam Service Bulletin No. P92J‑09 rather than detailed in the AD (Requirement).","Immediate compliance required 'before further flight' after the effective date for the initial inspection, creating potential immediate operational disruption (Compliance: 'Before further flight after 27 November 2003').","Recurring inspection obligation at intervals not to exceed 50 flight hours until the modification is carried out, imposing ongoing monitoring costs (Requirement/Compliance).","Staged timing for modification tied to total airframe hours: next 600‑hour special inspection if <600 hours, or next 100‑hour inspection if >600 hours (Compliance).","If a crack or discrepancy is found, operators must contact the manufacturer for further instructions 'before further flight', introducing reliance on manufacturer direction (Requirement 1).","Authority and enforcement traceable to CASA delegate under subregulation 39.1(1) of CASR 1998 (opening paragraph), concentrating decision authority in the regulator's delegate.","Cross‑reference to ENAC AD 2003‑260 (Note) indicates the AD implements or follows an overseas authority's finding rather than introducing novel scope (Note).","Effective date and scheduled inspection references create calendar and flight‑hour coordination burdens for operators and maintenance planners (Compliance)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specific Tecnam P92‑J aeroplanes (serials 001–012, except 003) to carry out an immediate inspection of the fin rear spar and to modify it per Tecnam Service Bulletin P92J‑09. It was issued after a reported crack to correct an unsafe condition. Operators pay for inspections and the mandated modification and may be grounded until inspections/modification are done; CASA’s delegate enforces timing and accepts compliance, while the manufacturer provides the technical instructions."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific structural defect in a limited production run. It has not expanded beyond its original purpose of correcting the unsafe fin rear spar condition."},"complexity_factors":["Single, specific aircraft model and narrow serial number range (only 11 aircraft affected)","Only two main requirements (inspect and modify) with clear conditional deadlines based on flight hours","Minimal cross-referencing (only references one service bulletin and one Italian aviation directive)","No defined terms section or interpretation provisions","Straightforward compliance timeline with simple binary condition (above/below 600 hours)"],"plain_english_summary":"This safety order applies to Tecnam P92-J aeroplanes (serials 001–012, except 003) after a crack was found in the rear spar of the vertical fin. It requires immediate inspection, recurring checks until a mandatory modification is carried out, and ultimately installation of the manufacturer’s fix within prescribed flight‑hour limits.\n\nIt affects owners/operators of the listed aircraft and is legally mandatory to prevent possible tail‑structure failure and loss of control."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tecnam-1-fin-rear-spar","history":"/api/acts/ad-tecnam-1-fin-rear-spar/history","analysis":"/api/acts/ad-tecnam-1-fin-rear-spar/analysis","conflicts":"/api/acts/ad-tecnam-1-fin-rear-spar/conflicts","importantCases":"/api/acts/ad-tecnam-1-fin-rear-spar/important-cases","documents":"/api/acts/ad-tecnam-1-fin-rear-spar/documents"}}