{"id":"F2008L02652","name":"AD/PA-31/22 - Alternator Switch and Circuit Breaker Panel Wiring - Inspection - CANCELLED","slug":"ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74689,"registerId":"commonwealth-F2008L02652-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-31 Series Aeroplanes","sectionType":"division","heading":"Piper PA-31 Series Aeroplanes","content":"### Piper PA-31 Series Aeroplanes\n\n| AD/PA-31/22 | Alternator Switch and Circuit BreakerPanel Wiring - Inspection | 8/2008 |\n| ----------- | -------------------------------------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                     |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                                          |\n| Background:  | This unique Australian AD required once-only inspection of the alternator switch and wiring of the circuit breaker panel in accordance with Piper SL No. 631. The AD required compliance within 100 hours TIS after April 1973. All affected aircraft have now been inspected. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n12 June 2008","sortOrder":0},{"sectionNumber":"AD/PA-31/22","sectionType":"part","heading":"AD/PA-31/22","content":"## AD/PA-31/22","sortOrder":1},{"sectionNumber":"Alternator Switch and Circuit BreakerPan","sectionType":"part","heading":"Alternator Switch and Circuit BreakerPanel Wiring - Inspection","content":"## Alternator Switch and Circuit Breaker  \nPanel Wiring - Inspection","sortOrder":2},{"sectionNumber":"8/2008","sectionType":"part","heading":"8/2008","content":"## 8/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1576},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"Originally mandated mandatory safety inspections of electrical systems for specific aircraft models. This version eliminates all substantive requirements, reducing the scope to nil after determining universal compliance had been achieved."},"complexity_factors":["Single operative provision (cancellation clause)","No defined terms or interpretation section","No procedural requirements or compliance deadlines","No cross-references to other legislation","Document consists entirely of background explanation and revocation statement"],"plain_english_summary":"This document **cancels** a previous aircraft safety rule that required owners of Piper PA-31 aeroplanes to inspect their alternator switch and circuit breaker panel wiring.\n\n**What it means:**\n- Previously, operators had to perform a one-time inspection of the alternator switch and wiring within 100 hours of flight time after April 1973, following the manufacturer's service letter.\n- **This requirement is now cancelled** as of 31 July 2008.\n\n**Who is affected:**\nOwners and operators of Piper PA-31 series aircraft (commonly known as Navajo or Chieftain models).\n\n**Why it matters:**\nThe Civil Aviation Safety Authority (CASA) cancelled this directive because all affected aircraft have already completed the required inspection. The rule served its purpose and is no longer needed, reducing regulatory burden on aircraft operators."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled","history":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled/history","analysis":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled/analysis","conflicts":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled/conflicts","importantCases":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled/important-cases","documents":"/api/acts/ad-pa-31-22-alternator-switch-and-circuit-breaker-panel-wiring-inspection-cancelled/documents"}}