{"id":"F2008L00181","name":"AD/750XL/3 Amdt 1 - Wiring Loom Protective Sleeve","slug":"ad-750xl-3-amdt-1-wiring-loom-protective-sleeve","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":72370,"registerId":"commonwealth-F2008L00181-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Pacific Aerospace 750XL Series Aeroplane","sectionType":"division","heading":"Pacific Aerospace 750XL Series Aeroplanes","content":"### Pacific Aerospace 750XL Series Aeroplanes\n\n| AD/750XL/3 Amdt 1 | Wiring Loom Protective Sleeve | 2/2008 |\n| ----------------- | ----------------------------- | ------ |\n\n| Applicability: | Model 750XL aeroplanes serial numbers 102 through 134 inclusive.                                                                                                                                                                                                                                                                                                                                                                               |\n| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. If not previously accomplished in accordance with AD/750XL/3, inspect the main wiring loom on the right hand side of the aircraft adjacent to the frames at station 114.34” and 118.84” in accordance with Pacific Aerospace Corporation Bulletin PACSB/XL/009 Issue 2 dated 23 July 2004, for damage to wiring and to ensure installation of protective sleeving. If the sleeves are present and undamaged, no further action is required. |\n|                | 2. If any damaged wiring is detected, repair the wiring as necessary.                                                                                                                                                                                                                                                                                                                                                                          |\n|                | 3. If the protective sleeve is missing, install the sleeve as detailed in the Service Bulletin.                                                                                                                                                                                                                                                                                                                                                |\n|                | Note: CAA(NZ) AD DCA/750XL/3A refers.                                                                                                                                                                                                                                                                                                                                                                                                          |\n| Compliance:    | For Requirement 1 - Within 100 hours time in service (TIS) after the effective date of this Directive.                                                                                                                                                                                                                                                                                                                                         |\n|                | For Requirement 2 - Before further flight after Requirement 1 inspection.                                                                                                                                                                                                                                                                                                                                                                      |\n|                | For Requirement 3 - Within 100 hours TIS after Requirement 1 inspection.                                                                                                                                                                                                                                                                                                                                                                       |\n|                | This Amendment becomes effective on 14 February 2008.                                                                                                                                                                                                                                                                                                                                                                                          |\n| Background:    | The aircraft manufacturer has advised of the possible omission of sleeving during assembly that may leave the wiring loom subject to fretting damage and the possibility of arcing in the proximity of the fuel vent lines. The initial affected serial number (S/N) was 102 through 106.                                                                                                                                                      |\n|                | The Civil Aviation Authority of New Zealand [CAA(NZ)] has received a subsequent report from the manufacturer, extending S/N range of possible affected aircraft toS/N 134. This Amendment, whilst giving credit for inspections accomplished in accordance with AD/750XL/3, extends the S/N range of affected aircraft to S/N 134.                                                                                                             |\n\n|     | The original issue of this Directive became effective on 7 July 2005. |\n| --- | --------------------------------------------------------------------- |\n\n![](image.001.png)  \nCharles Lenarcic  \nDelegate of the Civil Aviation Safety Authority\n\n20 December 2007","sortOrder":0},{"sectionNumber":"AD/750XL/3 Amdt 1","sectionType":"part","heading":"AD/750XL/3 Amdt 1","content":"## AD/750XL/3 Amdt 1","sortOrder":1},{"sectionNumber":"Wiring Loom Protective Sleeve","sectionType":"part","heading":"Wiring Loom Protective Sleeve","content":"## Wiring Loom Protective Sleeve","sortOrder":2},{"sectionNumber":"2/2008","sectionType":"part","heading":"2/2008","content":"## 2/2008","sortOrder":3}],"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":3,"scope_assessment":{"changed":true,"description":"Yes. The amendment expands the affected serial number range from the initial S/N 102–106 to S/N 102–134 and grants credit for inspections already done under AD/750XL/3, thereby increasing the number of aircraft subject to inspection and possible corrective action (Background; Requirement note)."},"complexity_factors":["Limited applicability by serial number range (S/N 102–134), reducing scope but requiring S/N tracking","Dependency on an external Service Bulletin (PACSB/XL/009 Issue 2) for inspection/installation instructions","Time‑dependent compliance steps: inspection within 100 hours TIS, repairs before further flight, installation within 100 hours","Operational impact: physical inspection and possible wiring repair or sleeve installation can cause downtime and cost to operators","Cross‑reference to prior AD/750XL/3 and CAA(NZ) AD DCA/750XL/3A for credit and related compliance history"],"plain_english_summary":"This amendment requires operators of Pacific Aerospace 750XL aeroplanes serial numbers 102–134 to inspect the main wiring loom on the right side (stations 114.34” and 118.84”) for missing or damaged protective sleeving, and to repair wiring or install the sleeve per the manufacturer's Service Bulletin if necessary. Inspections must occur within 100 hours TIS, repairs before further flight, and sleeve installation within 100 hours after inspection; owners/operators bear compliance costs and must follow PACSB/XL/009 Issue 2 (Requirements 1–3; Compliance)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"The original directive (effective July 2005) only covered serial numbers 102-106. This amendment expands coverage to serial numbers 102-134 — nearly six times as many aircraft. While the core safety purpose (preventing wiring damage near fuel lines) remains unchanged, the scope of affected aircraft has grown significantly based on new manufacturer information."},"complexity_factors":["Very short document (approximately 300 words)","Only 3 substantive requirements with clear conditional logic (if-then structure)","Single defined term: 'TIS' (time in service) explained in context","Minimal cross-referencing — only refers to one New Zealand aviation directive and one manufacturer service bulletin","No nested exceptions or complex temporal calculations beyond simple flight hour deadlines","Narrow, specific applicability (single aircraft model, specific serial number range)"],"plain_english_summary":"This AD mandates a one-time inspection and correction on Pacific Aerospace 750XL aeroplanes (serials 102–134) to stop main wiring looms from fretting against the airframe and potentially igniting near fuel lines. Affected owners/operators must inspect and, if needed, repair wiring or fit protective sleeves within the specified compliance window after 14 February 2008. It matters because worn insulation or exposed wires near fuel vents create a fire/explosion hazard."}},"importantCases":[],"_links":{"self":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve","history":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve/history","analysis":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve/analysis","conflicts":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve/conflicts","importantCases":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve/important-cases","documents":"/api/acts/ad-750xl-3-amdt-1-wiring-loom-protective-sleeve/documents"}}