{"id":"F2006B06002","name":"AD/PA-44/11 Amdt 1 - Ammeter Installation","slug":"ad-pa-44-11-amdt-1-ammeter-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114400,"registerId":"commonwealth-F2006B06002-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-44/11 Amdt 1 - Ammeter Installation","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Piper PA-44 (Seminole) Series Aeroplanes\n\n \n\nAD/PA-44/11\n\nAmdt 1\n\n\nAmmeter Installation 12/86\n\n \n\nApplicability: Model PA-44-180T with S/Nos 44-8107001 through 44-8207020.\n\n \n\nRequirement: Action in accordance with Piper Service Bulletin No. 847. Ensure the shunt is positioned and adequately supported to prevent mechanical loads being applied to the 20 gauge wires connected to the ammeter.\n\n \n\nCompliance: Within 100 hours time in service after 31 December 1986.\n\n \n\nBackground: Reports have been received of loose and/or shorting ammeter connections at the ammeter cluster gauge. If this condition is allowed to continue without rectification the possibility exists for electrical failure or fire within the cockpit. Amendment 1 clarifies the protection requirement.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a narrow, targeted safety directive for a specific aircraft type and specific serial number range. It has not expanded beyond its original purpose of addressing a known electrical safety defect."},"complexity_factors":["Very short document (under 200 words)","Only 1 defined term implicitly referenced (Service Bulletin)","Single, straightforward mechanical requirement","No cross-references to other legislation or regulations","Simple conditional logic: specific aircraft model + serial number range only","No nested exceptions or conditional sub-clauses"],"plain_english_summary":"This AD requires owners/operators of Piper PA‑44‑180T Seminole serials 44‑8107001 through 44‑8207020 to inspect and correct the ammeter installation per Piper Service Bulletin No. 847 so the shunt is properly positioned and supported and does not stress the thin 20‑gauge ammeter wires. It addresses reported loose/shorting ammeter connections that could cause electrical failures or cockpit fires; Amendment 1 clarifies the required protection. Compliance was to be within 100 flight hours after 31 Dec 1986."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Amendment 1 clarifies the protection requirement but does not broaden the AD's applicability or add new types of obligations; the required action, affected serial numbers and the compliance deadline remain as stated in the instrument."},"complexity_factors":["Narrow applicability: applies only to PA-44-180T with specific serial numbers (44-8107001 through 44-8207020).","Normative external reference: requires action 'in accordance with Piper Service Bulletin No. 847' — implementation details are in that bulletin, not reproduced in the AD.","Technical nature of the work: requires correct positioning and adequate support of an ammeter shunt to avoid mechanical loads on 20‑gauge wires (requires maintenance skills and possible parts/support fittings).","Fixed compliance window: work must be completed within 100 hours time-in-service after 31 December 1986, creating scheduling and tracking obligations for operators.","Safety-driven rationale: based on reports of loose/shorting connections with potential for electrical failure or cockpit fire — necessitates inspection and rectification rather than administrative changes.","Amendment character: labelled 'Amdt 1' and stated to 'clarify the protection requirement', which adds interpretive detail without introducing multiple new obligations."],"plain_english_summary":"This airworthiness directive requires owners/operators of Piper PA-44-180T aeroplanes (specified serial numbers) to follow Piper Service Bulletin No. 847 to reposition and securely support the ammeter shunt so the 20-gauge ammeter wires do not carry mechanical loads. Compliance is required within 100 hours time-in-service after 31 December 1986 to address reported loose or shorting ammeter connections that could lead to electrical failure or cockpit fire."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation","history":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation/history","analysis":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation/analysis","conflicts":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation/conflicts","importantCases":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation/important-cases","documents":"/api/acts/ad-pa-44-11-amdt-1-ammeter-installation/documents"}}