{"id":"F2006B03890","name":"AD/BEECH 36/35 Amdt 1 - Turbocharger Inlet Assembly","slug":"ad-beech-36-35-amdt-1-turbocharger-inlet-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43499,"registerId":"commonwealth-F2006B03890-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 36/35 Amdt 1 - Turbocharger Inlet Assembly","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 36 (Bonanza) Series Aeroplanes\n\nAD/BEECH 36/35\n\nAmdt 1\n\n  \nTurbocharger Inlet Assembly 10/90\n\nApplicability: All model A36TC or B36TC aircraft fitted with Teledyne Continental Motors (TCM) TSIO-520-UB engine.\n\nRequirement: Inspect TCM P/N 642668, welded turbocharger inlet assembly for cracks especially in the weld joint just above the turbine inlet temperature boss. If a crack is found, replace P/N 642668 with P/N 646795 turbocharger inlet assembly before further flight, in accordance with Beechcraft Service Communique No 70.\n\nNote 1: FAA AD 89-24-03 Amdt 39-6386 refers.\n\nNote 2: To assist with identification, the 646795 assembly has 2 ribs approx 6 mm (0.25 inches) in height, 2.5 mm (0.1 inches) in width and 53 mm (2.1 inches) in length on top of the turbocharger mating flange.\n\nNote 3: If P/N 642668 is not installed no further action is required.\n\nCompliance: Before initial issue of a Certificate of Airworthiness. Thereafter reinspect at each inspection for issue of a Maintenance Release.\n\nBackground: The welded joints of the turbo charger inlet assembly have been found cracked. Exhaust leaks in this area have the potential to cause serious damage resulting in possible engine failure and/or fire.\n\nAmendment 1 corrects typographical errors in Note 2 of the original issue.","sortOrder":0}],"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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment makes no change to scope. It corrects typographical errors in Note 2 (measurement specifications for part identification) without altering applicability, requirements, or compliance obligations."},"complexity_factors":["Single, specific mechanical component targeted (one part number)","Straightforward binary compliance: inspect → replace if cracked → done","Only 3 short notes, one of which is purely identification guidance","No cross-references to other legislation beyond a single FAA AD citation for reference","No defined terms section — all technical terms are standard aviation maintenance vocabulary","Amendment is purely typographical correction with no substantive legal change"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspections of the turbocharger inlet assembly (PN 642668) on Beechcraft A36TC/B36TC aircraft with TSIO-520-UB engines, requiring replacement with the improved PN 646795 before flight if cracks are found and recurring at each Maintenance Release. It’s necessary because cracks can cause exhaust leaks, engine failure or fire. Amendment 1 only corrects typographical measurement errors in a note; safety requirements are unchanged."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Amendment 1 corrects typographical errors in Note 2 only; there is no change to applicability, required inspections/replacement, compliance timing, or the safety rationale (Amendment 1)."},"complexity_factors":["Narrow applicability: specific airframe models and a single engine type (Applicability) — simplifies affected population.","Single discrete action required: inspect a specific part number and replace if cracked (Requirement).","Clear compliance timing: before initial Certificate of Airworthiness and at each maintenance‑release inspection (Compliance).","Safety‑critical technical detail but limited technical scope (Background).","Identification aid provided for replacement part reduces ambiguity (Note 2).","Reliance on an external service document for procedural detail (Beechcraft Service Communique No 70) adds modest implementation dependence."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Beechcraft A36TC and B36TC aeroplanes with TCM TSIO-520-UB engines to inspect the welded turbocharger inlet assembly (TCM P/N 642668) for cracks and, if cracked, replace it with P/N 646795 in accordance with Beechcraft Service Communique No 70 (Requirement).  Compliance must occur before initial issue of a Certificate of Airworthiness and at each maintenance‑release inspection; owners/operators pay inspection and replacement costs. The measure responds to cracked welds that can cause exhaust leaks, engine failure or fire (Compliance; Background)."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly","history":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly/history","analysis":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly/analysis","conflicts":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly/conflicts","importantCases":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly/important-cases","documents":"/api/acts/ad-beech-36-35-amdt-1-turbocharger-inlet-assembly/documents"}}