{"id":"F2006B01975","name":"AD/A320/86 - Toilet Systems - Rinse Valve Replacement","slug":"ad-a320-86-toilet-systems-rinse-valve-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41197,"registerId":"commonwealth-F2006B01975-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A320/86 - Toilet Systems - Rinse Valve 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)  \nAirbus Industrie A319, A320 and A321 Series Aeroplanes\n\nAD/A320/86 Toilet Systems \\- Rinse Valve Replacement 1/98\n\nApplicability: Airbus Industrie A320 aircraft having toilet systems equipped with Monogram Rinse Valve Part Number (PN) 15800-348, Revision C, and which have not had Airbus Industrie Modification 26145 or Service Bulletin A320-38-1049 embodied.\n\nNote: DGAC 97-269-103(B) dated October 04, 1997, refers.\n\nRequirement: Replace all Monogram rinse valves PN 15800-348, Rev C, installed on toilet(s) in accordance with Airbus Industrie Service Bulletin A320-38-1049 dated 22 Jan 97.\n\nCompliance: Within 12 months of the effective date of this directive.\n\nThis airworthiness directive becomes effective on 1 January 1998.\n\nBackground: Leakage of water from the forward toilet system due to a faulty rinse valve can cause fluid contamination of the aircraft’s avionics bays.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1726},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains a narrow, targeted scope focused on a specific mechanical defect in specific aircraft configurations. It addresses the identified safety hazard of water contamination of avionics bays without expanding beyond the original safety intent."},"complexity_factors":["Technical aviation part numbering and revision tracking (PN 15800-348, Rev C)","Conditional applicability requiring verification of prior modifications (Mod 26145 or Service Bulletin A320-38-1049)","Cross-references to external technical documents (Airbus Service Bulletin) and foreign aviation authority directive (DGAC 97-269-103(B))"],"plain_english_summary":"This is a **safety order** for airlines and aircraft owners operating specific Airbus planes (A319, A320, and A321 models).\n\n**The problem:** Certain toilet rinse valves (water-flushing mechanisms) in these aircraft can leak. If the forward toilet leaks, water can drip down into the **avionics bays** — the compartments that house critical electronic equipment for navigation, communication, and flight controls. Water damage here could cause electronic failures during flight.\n\n**Who must comply:** Only applies to Airbus A320 aircraft fitted with specific Monogram rinse valves (part number 15800-348, Revision C) that haven't already been modified under a previous fix.\n\n**What must be done:** Replace the faulty valves with updated versions, following the technical instructions in Airbus Service Bulletin A320-38-1049.\n\n**Deadline:** Within 12 months of 1 January 1998.\n\n**Why it matters:** Prevents water damage to essential flight electronics, avoiding potential system failures that could compromise flight safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement","history":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement/history","analysis":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement/analysis","conflicts":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement/conflicts","importantCases":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement/important-cases","documents":"/api/acts/ad-a320-86-toilet-systems-rinse-valve-replacement/documents"}}