{"id":"F2006B04944","name":"AD/CESSNA 150/46 - Fuel Strainer","slug":"ad-cessna-150-46-fuel-strainer","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44801,"registerId":"commonwealth-F2006B04944-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AIRWORTHINESS DIRECTIVE","sectionType":"part","heading":"AIRWORTHINESS DIRECTIVE","content":"# AIRWORTHINESS DIRECTIVE\n\n![](image.002.png)\n\n![](image.002.png)  \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 CAR 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.","sortOrder":0},{"sectionNumber":"AD/CESSNA 150/46 Fuel Strainer 7/2000","sectionType":"part","heading":"AD/CESSNA 150/46 Fuel Strainer 7/2000","content":"# AD/CESSNA 150/46 Fuel Strainer 7/2000\n\nApplicability: Models 150F, 150G, 150H, 150J, 150K, 150L, 150M, A150K, A150L, A150M, A- 150L, A-A150L, F150F, F150G, F150H, F150J, F150K, F150L, F150M, FA150K, FA150L, FA150M, FRA150L, FRA150M, 152, A152, F152 and FA152 series\n\naircraft.\n\nRequirement: 1. Inspect aircraft fuel strainer assembly. If P/N 0756005-2 top assembly, P/N 0756005-8 or 0756005-9 fuel strainer assembly were shipped from Cessna between December 12, 1996 and September 5, 1997, and fitted to the aircraft, measure the standby pipe in the fuel strainer assembly for a visible maximum length not exceeding 1.68 inches, in accordance with the Accomplishment Instructions of Cessna Single Engine Service Bulletin SEB97-9 dated November 17,1997.\n\nThe holder of a pilot licence, other than a student pilot, valid for the aircraft type, may review the aircraft records to determine if parts listed in this Directive have been fitted to the aircraft. If this review concludes that parts listed in this Directive have not been fitted then a certification stating that “This Directive does not apply as no parts listed in the Cessna SEB97-9 have been fitted to this aircraft.” may be entered in the aircraft records.\n\n2. Replace the filter strainer top assembly if the standpipe tube exceeds the specified measurement.\n\nNote: FAA AD 2000-06-01 Amendment 39-11641 refers.\n\nCompliance: 1. Unless previously accomplished, within 12 calendar months time in service from the effective date of this Directive.\n\n2. Prior to further flight.\n\nThis Airworthiness Directive becomes effective on 13 July 2000.","sortOrder":1}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"Scope has not changed from the instrument’s stated aim: it targets specific Cessna 150/152 models, defined part numbers and shipment dates, a measured standpipe limit, and prescribes inspection and replacement actions (see Applicability; Requirement; Compliance). The directive confines action to aircraft where those parts may have been fitted and provides a record-review pathway for sign-off if they were not."},"complexity_factors":["Detailed applicability list naming many model variants (Applicability section) increases work to identify affected aircraft.","Specific part numbers and a limited shipment date range to check (Requirement: part numbers and shipping dates).","A precise dimensional tolerance to measure (standpipe visible maximum length 1.68 inches) requires tooling/measurement judgment (Requirement: measurement).","Two-step action: record review allowance by a non-student pilot versus mandatory physical inspection if parts may have been fitted (Requirement: pilot licence review clause).","Different compliance deadlines for inspection (within 12 calendar months) and replacement (prior to further flight) create staged obligations (Compliance section).","Cross-reference to external service bulletin and FAA AD requires access to and reliance on external documents (Requirement note; FAA AD reference)."],"plain_english_summary":"This directive requires operators of the listed Cessna 150/152 variants to inspect fuel strainer assemblies of specified part numbers shipped between 12 Dec 1996 and 5 Sep 1997 and measure the standpipe; if the visible length exceeds 1.68 inches the strainer top assembly must be replaced.\n\nInspections must be completed within 12 calendar months of the directive’s effective date and any required replacement must be done before further flight. A pilot (not a student) authorised for the type may review records and certify the AD does not apply if the parts were not fitted."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard single-issue airworthiness directive focused on a specific manufacturing defect in fuel strainer components. The scope remains tightly constrained to the identified unsafe condition in specified aircraft models."},"complexity_factors":["Multiple specific part numbers to identify (P/N 0756005-2, 0756005-8, 0756005-9)","Date range qualification for affected parts (December 12, 1996 to September 5, 1997)","Precise measurement requirement (1.68 inches maximum)","Reference to external technical document (Cessna Service Bulletin SEB97-9) for accomplishment instructions","Cross-reference to FAA AD 2000-06-01","Alternative compliance path for licensed pilots via records review with specific certification wording","Dual compliance deadlines (12 months for inspection, 'prior to further flight' for replacement)"],"plain_english_summary":"This airworthiness safety order requires owners/operators of certain Cessna 150/152 aircraft to inspect the fuel strainer standpipe (parts shipped Dec 1996–Sep 1997). If the standpipe measures over 1.68 inches it must be replaced before the next flight.  \n\nLicensed pilots (not students) may check maintenance records and sign off if the suspect parts were never installed. The inspection is required within 12 months of the directive (13 July 2000). It prevents fuel starvation and possible engine failure."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-150-46-fuel-strainer","history":"/api/acts/ad-cessna-150-46-fuel-strainer/history","analysis":"/api/acts/ad-cessna-150-46-fuel-strainer/analysis","conflicts":"/api/acts/ad-cessna-150-46-fuel-strainer/conflicts","importantCases":"/api/acts/ad-cessna-150-46-fuel-strainer/important-cases","documents":"/api/acts/ad-cessna-150-46-fuel-strainer/documents"}}