{"id":"F2006B10375","name":"AD/HOSE/8 - Titeflex Hoses","slug":"ad-hose-8-titeflex-hoses","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116015,"registerId":"commonwealth-F2006B10375-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# ![](image.001.png)  \nAIRWORTHINESS DIRECTIVE\n\nFor the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.\n\n![](image.001.png)  \n\nHose Assemblies","sortOrder":0},{"sectionNumber":"AD/HOSE/8 Titeflex Hoses 7/2004","sectionType":"part","heading":"AD/HOSE/8 Titeflex Hoses 7/2004","content":"# AD/HOSE/8 Titeflex Hoses 7/2004\n\nApplicability: Titeflex Corporation hoses installed on, but not limited to, Boeing 737-300, \\-400,\n\n\\-500, \\-600, \\-700, \\-700C, \\-800, \\-900, 747-400, 757-200, \\-300, 767-200, \\- 300, and\n\n\\-300F aeroplanes.\n\nRequirement: 1. Inspect the manufacture date code on all hoses listed in Table 1 of this Directive.\n\nUse the Accomplishment Instructions of the applicable Boeing alert service bulletins (ASB) contained in Table 1 of this Directive.\n\n    2. If the manufacture date is 11/99 through 1/01 and there is a permanent white dot on the ID band, no further action is required for that hose.\n\n    3. If the hose manufacture date code is 11/99 through 1/01 inclusive and there is no permanent white dot on the ID band, replace the hose with a serviceable hose or perform an indirect conductive inspection/test for proper heat treat. Use the accomplishment instructions of the applicable ASB listed in Table 1 of this AD.\n\n    4. Replace the hose with a serviceable hose if any B-nut is improperly heat-treated.","sortOrder":1},{"sectionNumber":"Table 1. --Applicable Hose P/Ns","sectionType":"part","heading":"Table 1. --Applicable Hose P/Ns","content":"## Table 1. \\--Applicable Hose P/Ns\n\n| Aeroplane model | Boeing hose P/N | Titeflex PMA P/N | Used for      | Applicable alert service bulletin |\n| --------------- | --------------- | ---------------- | ------------- | --------------------------------- |\n| (1) 737-300, -  | S312N512-5      | 113701-5         | Engine and    | 737-26A1108,                      |\n| 400, and -500   | S312N512-6      | 113701-6         | cargo         | Revision 1,                       |\n| aeroplanes.     | BACH5R0110YP    |                  | compartment   | dated June 27,                    |\n|                 | BACH5S0110XN    |                  | fire          | 2002.                             |\n|                 |                 |                  | extinguishing |                                   |\n|                 |                 |                  | bottles.      |                                   |","sortOrder":2}],"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"},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"The Directive applies to Titeflex hoses on the listed Boeing aeroplanes and to specific hose part numbers in Table 1; it targets hoses manufactured 11/99–1/01 lacking a permanent white ID dot and any improperly heat-treated B-nuts. The supplied text does not indicate an expansion or narrowing of that applicability beyond what is stated."},"complexity_factors":["Cross-reference to multiple Boeing alert service bulletins (Table 1) — compliance requires following external documents.","Wide applicability across many Boeing models and multiple hose part numbers (Table 1).","Conditional decision tree: inspect date codes and permanent white dot, then accept, test, or replace.","Requirement for an \"indirect conductive inspection/test for proper heat treat\" — may need specialised equipment and trained personnel.","Requirement to replace hoses or any B-nut found improperly heat-treated — may require disassembly and parts sourcing.","Compliance timing is referenced but not included in the supplied text (AD directs compliance “at the time mentioned in the compliance section”), creating potential scheduling uncertainty.","Operators must identify manufacture date codes and ID-band markings on installed components, a potentially time-consuming inspection task."],"plain_english_summary":"This Airworthiness Directive requires operators of certain Boeing aeroplanes fitted with Titeflex hoses to inspect hose manufacture date codes and ID-band markings, then either accept, test, or replace affected hoses and any improperly heat‑treated B-nuts. Operators must follow the applicable Boeing alert service bulletins cited in the Directive. Operators pay for inspections, tests and replacements; compliance decisions follow the AD and the referenced ASBs, and may require specialist testing or parts procurement."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This AD maintains its original narrow scope. It addresses a specific manufacturing defect in a specific supplier's hoses during a specific 15-month production window. The \"not limited to\" language in the applicability section is standard aviation regulatory practice to catch unlisted installations, but does not represent scope creep beyond the original safety purpose."},"complexity_factors":["Short, single-purpose directive with only 4 numbered requirements","Limited applicability — specific to Titeflex hoses on listed Boeing aircraft models","Simple conditional logic (if white dot present → no action; if no white dot → replace or test)","Only 4 defined part numbers in Table 1, though the directive notes applicability is \"not limited to\" the listed aircraft","Cross-references to Boeing Alert Service Bulletins for detailed accomplishment instructions, but does not reproduce that technical content","No nested exceptions or layered compliance timelines — straightforward inspection and replacement regime"],"plain_english_summary":"This AD requires operators of certain Boeing 737/747/757/767 aircraft to inspect Titeflex fire‑extinguishing hoses because hoses made Nov 1999–Jan 2001 may have been improperly heat‑treated, weakening the metal B‑nut fittings. Inspectors must verify date codes and the presence of a permanent white dot (which indicates safe hoses); hoses without the white dot must be replaced or subjected to an electrical conductivity test, and any improperly heat‑treated B‑nut must be replaced immediately. It affects airlines/operators using these hoses and safeguards fire suppression reliability."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hose-8-titeflex-hoses","history":"/api/acts/ad-hose-8-titeflex-hoses/history","analysis":"/api/acts/ad-hose-8-titeflex-hoses/analysis","conflicts":"/api/acts/ad-hose-8-titeflex-hoses/conflicts","importantCases":"/api/acts/ad-hose-8-titeflex-hoses/important-cases","documents":"/api/acts/ad-hose-8-titeflex-hoses/documents"}}