{"id":"F2006B05930","name":"AD/PA-36/14 Amdt 1 - Rudder Control Horn Attachment Bolts - Inspection and Modification","slug":"ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":136023,"registerId":"commonwealth-F2006B05930-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-36/14 Amdt 1 - Rudder Control Horn Attachment Bolts - Inspection and Modification","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-36 (Pawnee Brave) Series Aeroplanes\n\nAD/PA-36/14\n\nAmdt 1\n\n  \n\nRudder Control Horn Attachment Bolts \\- Inspection and Modification\n\n  \n9/81\n\nApplicability: All models PA-36-285/300 with S/Nos. 36-7360001 to 36-8160001, 36-8160003 and 36-8160009 to 36-8160019; All models PA-36-375 with S/Nos. 36-7802001 to\n\n36-8102004\n\nRequirement: 1. Visually inspect the Rudder Control Horn Attachment Bolt to ensure tightness.\n\n2. Inspect the Rudder Control Horn Attachment Bolts in accordance with Piper SB No. 495B and modify as necessary.\n\nNote: For aircraft maintained in accordance with ANO 100.5.1 this Directive shall be entered on the maintenance release as maintenance required. The inspection may be performed by the pilot in command, in which case certification is not required. In all other cases certification may be made on the maintenance release. This inspection may also be performed and certified by any Licensed Aircraft Maintenance Engineer.\n\nCompliance: Para. 1 \\- At each daily or overnight inspection after 10 August 1981 until para. 2 accomplished. (Aeroplanes inspected in accordance with original issue of this Directive are deemed to comply with this issue of the Directive).\n\nPara. 2 \\- Within 100 hours time in service after 10 August 1981 unless previously inspected and if necessary, modified in accordance with original issue of this Directive.\n\nBackground: The manufacturer has received a report of rudder horn separation in the field. This issue of the Directive extends effectivity of requirement to later S/N aeroplanes and to the model PA-36-375.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This is Amendment 1 to an existing directive. The original AD/PA-36/14 applied to a narrower set of aircraft. This amendment explicitly 'extends effectivity' to cover additional serial numbers and the PA-36-375 model variant. The scope has grown from the original intent to cover more aircraft discovered to share the same design vulnerability."},"complexity_factors":["Short, single-purpose directive with only 2 substantive requirements","Limited applicability — specific aircraft models and serial number ranges clearly defined","Simple conditional logic: daily check required 'until' full inspection completed","Cross-reference to external technical document (Piper SB No. 495B) for detailed inspection procedures","One nested condition: 100-hour compliance window unless already done under original directive","No defined terms section — uses standard aviation terminology"],"plain_english_summary":"Owners and operators of certain Piper PA-36 Pawnee Brave agricultural aircraft must inspect—and where required—modify the bolts securing the rudder control horn after reports of a horn separation that could cause loss of rudder control. Pilots are to perform daily visual checks until a licensed maintenance engineer carries out the full inspection and any corrective work. The amendment widens coverage to additional serial numbers and a model variant."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":true,"description":"Yes. The directive extends effectivity to later serial numbers and adds the PA‑36‑375 model, expanding the set of aircraft subject to inspection and modification (Background)."},"complexity_factors":["Serial-number‑specific applicability requires operators to check airframe S/N lists (Applicability).","Two discrete actions: visual tightness check and modification per Piper SB No. 495B (Requirement 1 & 2).","Staggered compliance timing: daily/overnight inspections until modification, and a 100‑hour deadline for the modification (Compliance).","Multiple authorised certifiers/performers and recordkeeping pathways: pilot inspection under ANO 100.5.1, licensed AME, and maintenance‑release entries (Note).","Cross‑references to external documents (Piper SB No. 495B; ANO 100.5.1) create dependence on non‑statutory material for execution (Requirement/Note).","\"Modify as necessary\" delegates scope of corrective work to the SB and maintaining engineer, introducing implementation discretion (Requirement 2).","Extension of applicability to additional serial numbers and another model requires fleet tracking and may expand compliance population (Background)."],"plain_english_summary":"This airworthiness directive requires visual checks of the rudder control horn attachment bolts on specified Piper PA‑36 serial-number ranges and modification as necessary per Piper Service Bulletin No. 495B. \n\nIt applies to owners/operators of the listed PA‑36‑285/300 and PA‑36‑375 aeroplanes after a reported rudder horn separation; owners bear inspection and modification costs, inspections must be done daily/overnight until modified and within 100 flight hours, and may be performed by the pilot (under ANO 100.5.1) or a licensed aircraft maintenance engineer."},"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-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification","history":"/api/acts/ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification/history","analysis":"/api/acts/ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification/analysis","conflicts":"/api/acts/ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification/important-cases","documents":"/api/acts/ad-pa-36-14-amdt-1-rudder-control-horn-attachment-bolts-inspection-and-modification/documents"}}