{"id":"F2006B07371","name":"AD/TBM 700/23 Amdt 1 - Fuel Tank Air Vent Valves","slug":"ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49512,"registerId":"commonwealth-F2006B07371-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/TBM 700/23 Amdt 1 - Fuel Tank Air Vent Valves","content":"![](image.001.png)\n\n![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/TBM 700/23 and issues the following AD under subregulation 39.1 (1) of CAR 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\nAerospatiale (Socata) TBM 700 series Aeroplanes\n\nAD/TBM 700/23\n\nAmdt 1\n\n  \nFuel Tank Air Vent Valves 9/2002\n\n| Applicability: | 1.  | TBM 700 aircraft as detailed by serial number in EADS Socata Service Bulletin (SB) Number SB 70-090 and the aircraft records do not indicate the accomplishment instructions of SB 70-090 have been carried out; and |\n| -------------- | --- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|                | 2.  | TBM 700 aircraft that have had a part number (P/N) Z00.N6007707265 air vent valve installed since February 1996 and the vendor part number of the installed valve is unknown.                                        |\n| Requirement:   | 1.  | Blowing Test: Carry out a blowing test of the fuel tank air vent valves in accordance with EADS Socata Service Bulletin (SB) Number SB 70-090.                                                                       |\n|                | 2.  | Valve Part Number Check: Remove the fuel tank air vent valves and check the vendor part number of the valves in accordance with EADS Socata Service Bulletin (SB) Number SB 70-090.                                  |\n|                | 3.  | Valve Replacement: Replace fuel tank air vent valves detailing vendor part number “INTERTECHNIQUE P/N 9708B-1 Amdt. A” in accordance with                                                                            |\n|                |     | EADS Socata Service Bulletin (SB) Number SB 70-090.                                                                                                                                                                  |\n\nNote 1: DGAC Airworthiness Directive 2001-004(A) refers.\n\nCompliance: Unless previously accomplished in accordance with SB70-090 or the original issue of this Directive:\n\n    Blowing Test: Within 5 hours aircraft time in service and thereafter at intervals not to exceed 5 hours aircraft time in service.\n    Valve Part Number Check: At next scheduled aircraft periodic inspection or prior to 31 October 2002, whichever occurs first.\n\n    3. Valve Replacement: Before further flight.\n\nCompliance with Requirements 2 and 3 constitutes a terminating action for the requirements of this Directive.\n\nThis amendment becomes effective on 5 September 2002.\n\nAerospatiale (Socata) TBM 700 series Aeroplanes\n\nAD/TBM 700/23 Amdt 1 (continued)\n\nBackground: This Directive was originally issued to require a blow check of the fuel tank air vent valves be carried out and a determination of the part number of the valves installed. The requirements were in response to advice of a manufacturing change in certain valves that may result in obstruction of the fuel tank air vents and possible structural damage of the wing skin in the event of a tank-to-atmosphere pressure differential event occurring.\n\nThis amendment has been issued to correct an error in the compliance requirements of the original issue and to clarify the terminating action of this Directive.\n\nThe original issue of this Airworthiness Directive was issued 31 January 2001.\n\n![Signature of Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority](image.002.png)  \n\nEugene Paul Holzapfel\n\nDelegate of the Civil Aviation Safety Authority 26 July 2002\n\n![](image.001.png)  \n\nThe above AD is notified in the Commonwealth of Australia Gazette on 14 August 2002.","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"The amendment corrects an error in the original AD's compliance requirements and clarifies that performing the part-number check and replacing affected valves constitutes terminating action for the Directive; it therefore modifies compliance timing/clarity from the original issue (Background; Compliance; Requirement 3)."},"complexity_factors":["Dependence on an external service bulletin (EADS Socata SB 70-090) for procedural detail and applicability (Applicability; Requirement).","Serial-number and installation-history based applicability requiring record checks to determine whether the AD applies (Applicability).","Identification challenge where vendor part number may be unknown and must be determined by removal and inspection (Requirement 2).","Short, recurring inspection interval for blowing tests (within 5 hours and every 5 hours thereafter) creating high operational disruption if terminating replacement is not completed (Compliance).","Clear terminating action: compliance with the part-number check and replacement ends the AD's ongoing test requirement, creating a binary compliance path (Requirement 3; Compliance).","Amendment corrects the original AD's compliance wording and revokes the prior issue, requiring operators to track versioning and effective dates (top matter; Background)."],"plain_english_summary":"**This AD requires owners/operators of certain Aerospatiale (Socata) TBM 700 aircraft to test fuel‑tank air vent valves, confirm the vendor part number, and replace valves identified as INTERTECHNIQUE P/N 9708B‑1 Amdt. A.**\n\nCASA says a manufacturing change may obstruct vents and risk wing‑skin damage; the AD mandates short‑interval blow tests, a part‑number check by the next periodic inspection or 31 Oct 2002, and replacement before further flight, imposing inspection and replacement costs and operational downtime on aircraft operators (Requirement; Compliance; Background)."},"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":3,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of addressing faulty fuel tank air vent valves. The changes are limited to correcting an error in compliance requirements and clarifying terminating actions — the core safety purpose remains unchanged."},"complexity_factors":["Short, single-purpose document (3 pages) with clear, numbered requirements","Only 2 applicability conditions and 3 specific requirements","Minimal defined terms — relies on external service bulletin references (SB 70-090)","Simple conditional logic: 'if X applies, do Y by Z deadline'","Cross-references limited to one external service bulletin and one French aviation directive (DGAC 2001-004(A))","Nested compliance timeline with terminating action clearly stated"],"plain_english_summary":"This AD requires owners/operators of certain TBM 700 aircraft to test fuel tank vent valves for blockages and replace any faulty or incorrectly manufactured valves before the next flight. A blocked vent can allow pressure build-up that may damage wing structure, so immediate action is required.\n\nIt affects aircraft listed in SB 70-090 and planes with the valve fitted since February 1996; this amendment corrects an earlier directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves","history":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves/history","analysis":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves/analysis","conflicts":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves/conflicts","importantCases":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves/important-cases","documents":"/api/acts/ad-tbm-700-23-amdt-1-fuel-tank-air-vent-valves/documents"}}