{"id":"F2006B05274","name":"AD/CESSNA 207/15 - Fuel Reservoir Fitting","slug":"ad-cessna-207-15-fuel-reservoir-fitting","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45642,"registerId":"commonwealth-F2006B05274-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 207/15 - Fuel Reservoir Fitting","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Cessna 207 Series Aeroplanes\n\n \n\nAD/CESSNA 207/15 Fuel Reservoir Fitting 5/78\n\nApplicability: Model T207 with S/Nos 20700315 to 20700392.\n\n \n\nModel T207 with S/Nos below 20700315 which has had a fuel reservoir assembly P/N 1216407-( ) replaced with a fuel reservoir originating from Cessna since 1 July 1975.\n\n \n\nRequirement: Inspect fuel reservoir upper fitting for correct inside diameter in accordance with Figure 1 of Cessna SL No SE77-38.\n\n \n\nNote: Attention is also drawn to Cessna SL No SE78-2.\n\n \n\nCompliance: Within 100 hours time in service after 31 May 1978.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2650},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original discrete scope, limited to the specific safety inspection requirement for fuel reservoir fittings on affected Cessna T207 aircraft. It has not expanded beyond the original technical defect it was designed to address."},"complexity_factors":["Applicability depends on specific serial number ranges and conditional maintenance history (replacement since 1975)","Requires cross-reference to external technical diagrams (Figure 1 of Cessna Service Letter No. SE77-38) for inspection procedure","Uses aviation-specific terminology ('time in service', 'P/N', 'S/Nos') requiring domain knowledge to interpret"],"plain_english_summary":"**What this does**\nThis is a mandatory safety inspection order for specific Cessna aircraft. It requires mechanics to check the fuel reservoir (fuel tank) upper fitting to ensure it has the correct internal diameter.\n\n**Who it affects**\nOwners and operators of:\n* Cessna Model T207 aircraft with serial numbers **20700315 through 20700392**\n* Any Model T207 with serial numbers **below 20700315** that had a fuel reservoir assembly (part number 1216407) replaced since **1 July 1975**\n\n**What must be done**\nInspect the fuel reservoir upper fitting to verify the correct inside diameter, following the measurement instructions in **Cessna Service Letter No. SE77-38**. Operators should also review **Cessna Service Letter No. SE78-2** for related safety information.\n\n**When**\nWithin 100 hours of flight time after 31 May 1978.\n\n**Why this matters**\nIncorrect fitting dimensions can cause fuel leaks, creating fire hazards or risk of engine failure due to fuel starvation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting","history":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting/history","analysis":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting/analysis","conflicts":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting/conflicts","importantCases":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting/important-cases","documents":"/api/acts/ad-cessna-207-15-fuel-reservoir-fitting/documents"}}