{"id":"F2006B05842","name":"AD/PA-32/46 - Fuel Selector Valve - Inspection","slug":"ad-pa-32-46-fuel-selector-valve-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135858,"registerId":"commonwealth-F2006B05842-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-32/46 - Fuel Selector Valve - Inspection","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-32/46 Fuel Selector Valve \\- Inspection 7/77\n\nApplicability: Models PA-32-260 with S/Nos. 32-03, 32-04, 32-1 to 32-7400049 and PA-32-300\n\nwith S/Nos. 32-15, 32-21, 32-40000 to 32-7440160, fitted with an Airborne Model 1- H10, 1-H16-1, 1-H26-1, 1-H26-2, 1-H26-3 or 1-H26-4 fuel selector valve.\n\nRequirement: 1. Ensure that there is at least one gallon of fuel in each tank and carry out the normal pre-flight water drain checks.\n\n    2. With the fuel selector in the “OFF” detent, operate the fuel selector valve drain lever for one minute and discard the collected contents.\n\nNote: Several attempts may be required to drain all fuel from the collector bowl.\n\n    3. Close the drain valve and wait for three minutes. Drain fuel selector for one minute into a graduated container and if contents exceed one-half fluid ounce (one tablespoon) repeat the drain.\n\n    4. If the repeat drain exceeds one-half fluid ounce, remove, clean and reinstall the fuel selector valve and repeat step No. 3.\n\n    5. If, after carrying out steps 3 and 4, the drain exceeds one- half fluid ounce, replace the fuel selector valve with Piper Fuel Valve Kit No. 757 148V or 760 895V as applicable.\n\nNote: Steps 1 to 3 above, may be performed and certified by the pilot.\n\nCompliance: Within 25 hours time in service after 31 July 1977 and thereafter at intervals not exceeding 100 hours time in service until fitted with Piper Fuel Valve Kit No.\n\n757148V or 760895V as applicable.","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted Airworthiness Directive addressing a specific mechanical defect. It has not expanded beyond its original purpose of ensuring fuel selector valve integrity on affected Piper aircraft."},"complexity_factors":["Single, discrete safety issue (one valve type on specific aircraft models)","Straightforward procedural steps (numbered 1-5 with clear measurements)","Limited applicability (specific aircraft serial numbers and valve models)","Only 2 defined compliance periods (initial 25 hours, then 100-hour intervals)","No nested exceptions or conditional logic — simple 'if X then Y' structure","Short document (approximately 250 words)"],"plain_english_summary":"This CASA Airworthiness Directive targets Piper PA-32 Cherokee Six aircraft with certain defective fuel selector valves. It mandates fuel-system inspections that detect excessive leakage and, if found, cleaning or replacement with an approved kit.\n\nPilots may perform and sign off the basic drain/check; valve replacement requires qualified maintenance. Inspections start within 25 flight hours and repeat every 100 hours until the faulty valve is permanently replaced — preventing hazardous in-flight fuel leaks."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope remains targeted: inspection, cleaning, replacement and retrofit duties apply only to the listed PA-32 model/serial ranges fitted with the named Airborne fuel selector valves, on the stated time schedule, until the specified Piper retrofit kit is installed."},"complexity_factors":["Narrow technical applicability: specific PA-32 models and serial number ranges and listed Airborne valve models (Applicability).","Precise measurement threshold for action (exceeds one-half fluid ounce) requiring a graduated container (Requirement step 3).","Tiered compliance actions (drain → repeat → clean → replace → retrofit) with iterative repeats possible (Requirement steps 2–5).","Time-based compliance schedule (within 25 hours after 31 July 1977, then every 100 hours) and termination when retrofit kit fitted (Compliance).","Specified replacement parts by Piper kit number (757148V or 760895V) create discrete parts procurement obligations (Requirement step 5).","Pilot-permitted certification of initial steps reduces reliance on licensed maintenance but shifts responsibility to pilot for steps 1–3 (Note).","Operational ambiguity: note that 'several attempts may be required' and measurement/cleanliness judgements introduce procedural discretion (Requirement note)."],"plain_english_summary":"Requires owners/operators of specified Piper PA-32-260 and PA-32-300 aeroplanes fitted with certain Airborne fuel selector valves to drain and inspect the valve, measure collected fuel, and clean or replace the valve (or fit a specified Piper kit) if contamination exceeds ½ fluid ounce (Requirement; Compliance). Pilots may perform and certify the initial drain steps. Compliance is within 25 hours after 31 July 1977 and then every 100 hours until the retrofit kit is fitted. Costs fall to the owner/operator for labour and parts."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection","history":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection/history","analysis":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection/analysis","conflicts":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection/conflicts","importantCases":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection/important-cases","documents":"/api/acts/ad-pa-32-46-fuel-selector-valve-inspection/documents"}}