{"id":"F2006B05917","name":"AD/PA-34/47 - Nose Gear Hydraulic Actuator Mount Assembly","slug":"ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135997,"registerId":"commonwealth-F2006B05917-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/47 - Nose Gear Hydraulic Actuator Mount 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)  \nPiper PA-34 (Seneca) Series Aeroplanes\n\nAD/PA-34/47 Nose Gear Hydraulic Actuator Mount Assembly 3/96\n\nApplicability: All Model PA-34 aircraft with a nose gear hydraulic actuator aluminium alloy mount assembly, part number 95724-000 or 95724-002 installed, or any locally manufactured assembly.\n\nRequirement: Visually inspect the nose gear hydraulic actuator mount assembly in the area where the nose gear hydraulic actuator link bracket attaches; for cracking or other damage.\n\nCompliance: Within 100 hours time in service after 29 February 1996, and thereafter at each inspection for maintenance release issue; until a manufacturer supplied steel type mount assembly is installed.\n\nBackground: Several recent local reports of nose gear collapse have been received. An investigation revealed that failure of the gear actuator mount bracket had caused the collapse.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1286},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow technical scope addressing a specific mechanical failure mode in Piper PA-34 aircraft. No evidence of expansion beyond the original safety issue regarding nose gear actuator mount assemblies."},"complexity_factors":["Single mechanical component identified by exact part numbers (95724-000, 95724-002)","One straightforward compliance action (visual inspection only)","No nested exceptions, conditional clauses, or cross-references to other legislation","Narrow applicability limited to one aircraft model series","Clear, linear compliance timeline with definite end condition (replacement with steel part)"],"plain_english_summary":"This is a mandatory safety order (an Airworthiness Directive) for owners of Piper PA-34 Seneca aircraft. It requires mechanics to inspect a specific part—the nose gear hydraulic actuator mount assembly—which is the bracket that holds the hydraulic system for the front landing gear.\n\n**Why this matters:** Several aircraft suffered nose gear collapses when this aluminium bracket cracked or failed.\n\n**What must be done:**\n- **The inspection:** Visually check for cracks or damage where the actuator link bracket attaches to the mount\n- **When:** Within 100 flight hours after 29 February 1996, and then again at every regular safety check (maintenance release inspection) until the part is replaced\n- **The fix:** Replace the faulty aluminium assembly with a manufacturer-supplied steel version\n\n**Who is affected:** Anyone operating a Piper PA-34 with specific part numbers (95724-000 or 95724-002) installed, or any locally manufactured equivalent of this bracket."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly","history":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly/history","analysis":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly/analysis","conflicts":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly/conflicts","importantCases":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly/important-cases","documents":"/api/acts/ad-pa-34-47-nose-gear-hydraulic-actuator-mount-assembly/documents"}}