{"id":"F2006B05850","name":"AD/PA-32/53 - Engine Control Rod End Bearings - Inspection and Replacement","slug":"ad-pa-32-53-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repealed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":135874,"registerId":"commonwealth-F2006B05850-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-32/53 - Engine Control Rod End Bearings -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-32 (Cherokee Six) Series Aeroplanes\n\nAD/PA-32/53 Engine Control Rod End Bearings \\- Inspection\n\nand Replacement\n\n  \n12/77\n\nApplicability: Models PA32-260 with S/Nos. 32-1111 to 32-7700013. PA32-300 with S/Nos. 32- 40566 to 32-7740040. PA32R-300 with S/Nos. 32R-7680001 to 32R-7780215.\n\nRequirement: 1. Inspect the rod end bearing assemblies attached to the mixture, throttle and propeller governor control cables for comparison with the illustration.\n\n2. If a rod end bearing is installed as identified in the illustration as number one (1), it should 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\n![](image.002.png)  \n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2158},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive remains a targeted safety intervention concerning specific mechanical components (engine control rod end bearings) for identified aircraft types. There is no evidence of scope expansion beyond the original inspection and replacement mandate."},"complexity_factors":["Three discrete serial number ranges restrict applicability to specific aircraft","Single conditional requirement triggered by visual comparison to an external illustration","No defined terms, nested exceptions, or cross-references to other legislation","Extremely brief: two operational paragraphs and one compliance date"],"plain_english_summary":"This CASA Airworthiness Directive mandates a compulsory inspection—and, if necessary, replacement—of rod end bearings on the mixture, throttle and propeller governor control cables of specified Piper PA‑32 Cherokee Six aeroplanes.  \n\nOwners/operators of the listed serial-numbered PA‑32 aircraft must complete the work within 25 flight hours after 22 November 1977 to prevent possible engine-control failure in flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement","history":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement/history","analysis":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement/important-cases","documents":"/api/acts/ad-pa-32-53-engine-control-rod-end-bearings-inspection-and-replacement/documents"}}