{"id":"F2006B05895","name":"AD/PA-34/24 - Engine Control Rod End Bearings - Inspection and Replacement","slug":"ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135943,"registerId":"commonwealth-F2006B05895-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/24 - Engine Control Rod End Bearings - Inspection and Replacement","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-34/24 Engine Control Rod End Bearings \\- Inspection\n\nand Replacement\n\n  \n11/77\n\nApplicability: Models PA34-200 with S/Nos. 34-7250001 to 34-7450220. PA34-200T with S/Nos.\n\n34-7570001 to 34-7770163.\n\nRequirement: 1. Inspect the rod end bearing assemblies attached to the mixture, throttle and propeller governor control cables for comparison.\n\n2. If a rod end bearing is installed as identified in the illustration as number one (1), it shall be replaced with a rod end bearing corresponding to number two (2) or number three (3) of the illustration.\n\nCompliance: Within 25 hours time in service after 22 November 1977.\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.002.png)","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1557},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This remains a targeted, technical safety intervention addressing a specific mechanical defect in particular aircraft models. The scope is tightly limited to inspection and replacement of rod end bearings on the specified control cables."},"complexity_factors":["Single-page directive with only one substantive requirement","Clear applicability limited to specific serial number ranges","Simple binary compliance test (inspect → replace if type 1)","Single deadline with no conditional extensions","No nested definitions or cross-references to other legislative instruments"],"plain_english_summary":"This directive orders owners and operators of specific Piper PA-34 Seneca aircraft to inspect and potentially replace critical bearings in their engine control systems.\n\n**Who is affected:** Owners of Piper PA-34 models PA34-200 (serial numbers 34-7250001 to 34-7450220) and PA34-200T (serial numbers 34-7570001 to 34-7770163).\n\n**What must be done:**\n- Inspect the rod end bearings (small mechanical joints) attached to the mixture, throttle, and propeller governor control cables\n- If any bearing matches \"type 1\" shown in the referenced illustration, replace it with either \"type 2\" or \"type 3\"\n\n**Deadline:** Within 25 hours of flight time after 22 November 1977.\n\n**Why it matters:** Faulty rod end bearings could cause the control cables to fail, potentially leading to loss of throttle control, propeller control, or fuel mixture adjustment—creating serious flight safety risks."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement","history":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement/history","analysis":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement/important-cases","documents":"/api/acts/ad-pa-34-24-engine-control-rod-end-bearings-inspection-and-replacement/documents"}}