{"id":"F2008L00718","name":"AD/TBM 700/34 Amdt 1 - Pilot Seat & Front Passenger Seat","slug":"ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":72755,"registerId":"commonwealth-F2008L00718-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Aerospatiale (Socata) TBM 700 Series Aer","sectionType":"division","heading":"Aerospatiale (Socata) TBM 700 Series Aeroplanes","content":"### Aerospatiale (Socata) TBM 700 Series Aeroplanes\n\n| AD/TBM 700/34 Amdt 1 | Pilot Seat & Front Passenger Seat | 4/2008 |\n| -------------------- | --------------------------------- | ------ |\n\n| Applicability: | Model TBM 700 C2 aircraft, all serial numbers.Model TBM 700 C1 aircraft, equipped with modification OPT 70 01-029 (Provisions for T700 C2).                                                                                                                                                                                                                 |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Action in accordance with the Accomplishment Instructions of EADS SOCATA Alert Service Bulletin No. 70-121 original issue.2. Update the Pilot’s Operating Handbook (POH) by inserting Revision 5 into the TBM 700 C1 POH, and as appropriate, Supplement 41 Revision 5 into the TBM 700 C1 POH (for TBM 700 C2 aircraft).Note: EASA AD 2008-0029 refers. |\n| Compliance:    | 1. Before the next flight after 2 June 2004, and during each subsequent seat adjustment after 2 June 2004; until Requirement 2 is accomplished.2. Within 30 days after 10 April 2008, unless already accomplished.The compliance time for Requirement 1 remains unchanged by this issue of the Directive.                                                   |\n|                | This Amendment becomes effective on 10 April 2008.                                                                                                                                                                                                                                                                                                          |\n| Background:    | A case of pilot seat unlocking occurred during a test flight at the manufacturer’s facility. It was determined that interference can occur between a side upholstery panel and the seat housing in low and intermediate adjustment positions, and can result in the seat not locking in the tracks.                                                         |\n\n|     | Amendment 1 is issued in response to a new EASA AD, which requires incorporation of the seat adjustment procedure into the pilot’s operating handbooks. |\n| --- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n26 February 2008","sortOrder":0},{"sectionNumber":"AD/TBM 700/34 Amdt 1","sectionType":"part","heading":"AD/TBM 700/34 Amdt 1","content":"## AD/TBM 700/34 Amdt 1","sortOrder":1},{"sectionNumber":"Pilot Seat & Front Passenger Seat","sectionType":"part","heading":"Pilot Seat & Front Passenger Seat","content":"## Pilot Seat & Front Passenger Seat","sortOrder":2},{"sectionNumber":"4/2008","sectionType":"part","heading":"4/2008","content":"## 4/2008","sortOrder":3}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is an amendment to an existing Airworthiness Directive (AD/TBM 700/34). The original AD addressed the seat unlocking safety issue. Amendment 1 adds a second requirement (updating the Pilot's Operating Handbook) in response to a new European directive, but does not expand beyond the original safety purpose of ensuring proper seat locking mechanisms. The scope remains tightly focused on the specific seat defect."},"complexity_factors":["Short, single-purpose directive (approximately 300 words)","Only 4 defined applicability criteria (specific aircraft models and modification status)","Two-tier compliance structure with overlapping deadlines","Cross-reference to external European aviation safety document (EASA AD 2008-0029)","Reference to manufacturer service bulletin (EADS SOCATA Alert Service Bulletin No. 70-121) without reproducing its contents","Conditional logic: Requirement 1 applies until Requirement 2 is accomplished"],"plain_english_summary":"This AD addresses a dangerous pilot/front-passenger seat locking defect on certain Socata TBM 700s after an in‑flight unlocking incident. It requires operators of TBM 700 C2s (and TBM 700 C1s with modification OPT 70 01‑029) to follow an immediate seat‑adjustment procedure until a permanent fix is completed and the aircraft flight manual is updated. It matters because an unlocked seat can slide and cause loss of control."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 1 adds a mandatory requirement to incorporate the seat adjustment procedure into the Pilot’s Operating Handbook (Requirement 2) and sets a 30‑day deadline for that administrative change. It does not expand the types of aircraft covered beyond the previously identified TBM 700 C2 and TBM 700 C1 with OPT 70 01‑029 (Applicability; Requirement; Compliance)."},"complexity_factors":["Targeted applicability: different treatment for TBM 700 C2 (all serials) and TBM 700 C1 only if fitted with OPT 70 01‑029 — adds aircraft identification/record checks (Applicability).","Two distinct mandatory actions: immediate action per EADS SOCATA Alert Service Bulletin No. 70‑121 and a separate POH insertion (Requirement).","Staggered compliance times: immediate operational action before next flight and a 30‑day administrative POH update — operational vs administrative burdens (Compliance).","Dependence on external documents: operators must follow a manufacturer service bulletin and an EASA AD referenced by the directive (Requirement/Background).","Safety‑critical operational requirement: seat adjustment must be done at each subsequent seat adjustment until POH change — ongoing procedural compliance and potential training implications (Background/Compliance).","Regulatory amendment formalities: directive amends existing AD and sets an effective date, requiring operators to track versions and dates (Amendment/Compliance)."],"plain_english_summary":"This directive requires operators of Socata TBM 700 aeroplanes (all C2s and C1s fitted with modification OPT 70 01‑029) to perform the manufacturer’s seat‑adjustment actions and to insert Revision 5 into the Pilot’s Operating Handbook. It responds to a reported case where side upholstery could prevent the pilot seat locking. Operators must apply the adjustment procedure immediately (before the next flight after 2 June 2004 and at each subsequent seat adjustment) until the POH is updated, and insert the POH revision within 30 days of 10 April 2008."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat","history":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat/history","analysis":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat/analysis","conflicts":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat/conflicts","importantCases":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat/important-cases","documents":"/api/acts/ad-tbm-700-34-amdt-1-pilot-seat-front-passenger-seat/documents"}}