{"id":"F2006B05892","name":"AD/PA-34/21 - Rudder Cable Installation Rear Fuselage - Inspection","slug":"ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135940,"registerId":"commonwealth-F2006B05892-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/21 - Rudder Cable Installation Rear Fuselage - Inspection","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Piper PA-34 (Seneca) Series Aeroplanes\n\n \n\n# AD/PA-34/21 Rudder Cable Installation Rear Fuselage - Inspection\n\nApplicability: All model PA34-200T with S/Nos. 7570001 to 7770153, 770155 to 7770160,\n\n7770163, 7770166, 7770168, 7770170 to 7770177.\n\n# 3/77\n\n \n\nRequirement: 1. Gain access to aft rudder cable pulleys either through the ELT access panel or aft cabin bulkhead.\n\n \n\n2.    With the aid of a torch and/or inspection mirror determine if the rudder cable guard pin is in the 12 o’clock or 3 o’clock position relative to the centre of the pulley, when viewed from the ELT access hole.\n\n \n\n3.    If the pin is in the 12 o’clock position no further action is required.\n\n \n\n4.    If the pin is in the 3 o’clock position, inspect cable for evidence of fraying, replace cable if fraying evident.\n\n \n\n5.    Relocate and install cable guard pin in holes at the 12 o’clock position. Compliance:              Prior to further flight after 9 March, 1977.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2074},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original targeted scope addressing a specific mechanical installation defect (rudder cable guard pin position) in identified Piper Seneca aircraft serial numbers. No expansion of scope beyond the original safety-critical inspection."},"complexity_factors":["Specific serial number applicability with 14 distinct ranges/individual numbers listed","Spatial orientation requirement (12 o'clock versus 3 o'clock positioning)","Simple binary conditional logic (if 12 o'clock, do nothing; if 3 o'clock, inspect and relocate)","Procedural steps limited to physical inspection and potential component relocation"],"plain_english_summary":"This AD mandates a one‑time safety inspection for specific Piper PA‑34‑200T serials (7570001–7770177, with listed exclusions). A mechanic must access the tail pulley area and verify the cable‑guard pin is at the 12 o’clock position; if it’s at 3 o’clock, inspect/replace frayed cable and reposition the pin.\n\nComplete the inspection before the next flight after 9 March 1977."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection","history":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection/history","analysis":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection/analysis","conflicts":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection/conflicts","importantCases":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection/important-cases","documents":"/api/acts/ad-pa-34-21-rudder-cable-installation-rear-fuselage-inspection/documents"}}