{"id":"F2007L01379","name":"AD/ERJ-170/8 - Fuel Quantity Probe Harnesses","slug":"ad-erj-170-8-fuel-quantity-probe-harnesses","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":65693,"registerId":"commonwealth-F2007L01379-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Embraer ERJ-170 Series Aeroplanes","sectionType":"division","heading":"Embraer ERJ-170 Series Aeroplanes","content":"### Embraer ERJ-170 Series Aeroplanes\n\n| AD/ERJ-170/8 | Fuel Quantity Probe Harnesses | 6/2007 |\n| ------------ | ----------------------------- | ------ |\n\n| Applicability: | ERJ-170( ) aircraft models with serial numbers 17000005 through 17000013, 17000015, 17000016, 17000018 through 17000116, 17000118 and 17000119.                                                                                                                                                                    |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Inspect in the fuel quantity probe harnesses installed on both wings and, if necessary, reassemble them in accordance with the procedures in the Embraer Service Bulletin 170-28-0011, original issue, dated 26 April 2006 or further revisions approved by the Brazilian Agência Nacional de Avição Civil (ANAC). |\n|                | Note: ANAC AD 2007-01-02 refers.                                                                                                                                                                                                                                                                                   |\n| Compliance:    | Within the next 6000 hours time in service after the effective date of this Directive.                                                                                                                                                                                                                             |\n|                | This Airworthiness Directive becomes effective on 7 June 2007.                                                                                                                                                                                                                                                     |\n| Background:    | The ANAC has advised that the fuel quantity probe harnesses installed in the left and right wing stub tanks on some Embraer ERJ-170( ) aircraft models may not be protected in accordance with RBHA/FAR 25.981(a) and (b) requirements.                                                                            |\n|                | This Directive requires an inspection and, if necessary, the modification of the fuel probe harnesses to ensure that they meet the design rules.                                                                                                                                                                   |\n\n![](image.001.png)  \nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n12 April 2007","sortOrder":0},{"sectionNumber":"AD/ERJ-170/8","sectionType":"part","heading":"AD/ERJ-170/8","content":"## AD/ERJ-170/8","sortOrder":1},{"sectionNumber":"Fuel Quantity Probe Harnesses","sectionType":"part","heading":"Fuel Quantity Probe Harnesses","content":"## Fuel Quantity Probe Harnesses","sortOrder":2},{"sectionNumber":"6/2007","sectionType":"part","heading":"6/2007","content":"## 6/2007","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive, as drafted, applies to the stated serial-number range and requires inspection/modification per the Embraer Service Bulletin and ANAC AD. The document contains no indication that the scope has been altered from its stated intent."},"complexity_factors":["Narrow applicability limited to specific serial numbers (Applicability) — affects only certain aircraft.","Technical inspection and potential reassembly must follow Embraer Service Bulletin procedures (Requirement) — requires technical skill and access to SB.","Fixed compliance window of 6000 flight hours after effective date (Compliance) — scheduling and tracking burden for operators.","Reliance on ANAC approval for revised Service Bulletins or procedures (Requirement/Note) — regulatory coordination needed.","Reference to meeting RBHA/FAR 25.981 design rules (Background) — conformity to an external safety standard may require parts or design checks.","Potential logistical costs for grounding, parts and labour borne by operators/owners (implied by Requirement and Compliance)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of the listed Embraer ERJ‑170 serial numbers to inspect the fuel quantity probe harnesses on both wings and, if necessary, reassemble them following Embraer Service Bulletin 170‑28‑0011 (Requirement).\n\nOperators pay for and carry out the inspections/modifications, must complete them within 6000 flight hours (Compliance), and follow any ANAC‑approved revisions (Requirement/Note). The measure responds to identified shortfalls in harness protection against RBHA/FAR 25.981 design rules (Background)."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive with a narrow, specific safety purpose. It addresses exactly one technical issue (fuel quantity probe harness protection) on a defined subset of aircraft. There is no indication of scope creep; the directive precisely matches its stated background and purpose."},"complexity_factors":["Single, specific technical requirement (inspect and potentially reassemble harnesses)","Only 1 defined applicability criterion (aircraft serial numbers)","Single compliance timeframe (6000 hours time in service)","No nested exceptions or conditional logic","Short document (approximately 200 words of substantive content)","Clear reference to external technical standard (Embraer Service Bulletin) rather than reproducing complex technical specifications in the legislative text itself"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection—and, if needed, reassembly—of the fuel quantity probe harnesses in both wings of certain early-model Embraer ERJ‑170s. It affects owners, operators and maintenance organisations of the specified serial-number aircraft. CASA issued it to address ANAC’s finding that the wiring may not meet fuel-tank electrical protection standards, reducing risk of ignition; work must follow Embraer instructions within the AD’s compliance window."}},"importantCases":[],"_links":{"self":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses","history":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses/history","analysis":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses/analysis","conflicts":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses/conflicts","importantCases":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses/important-cases","documents":"/api/acts/ad-erj-170-8-fuel-quantity-probe-harnesses/documents"}}