{"id":"F2006B07178","name":"AD/SWSA226/38 Amdt 1 - Elevator Return Spring Location - Modification","slug":"ad-swsa226-38-amdt-1-elevator-return-spring-location-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49104,"registerId":"commonwealth-F2006B07178-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SWSA226/38 Amdt 1 - Elevator Return Spring Location - Modification","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nFairchild (Swearingen) SA226 and SA227 Series Aeroplanes\n\nAD/SWSA226/38\n\nAmdt 1\n\n  \n\nElevator Return Spring Location \\- Modification\n\n  \n1/82\n\nApplicability: 1. All model SA-226-AT with S/Nos. AT-001 to AT-999. All model SA-226-TC with S/Nos. TC-201 to TC-999.\n\n2. All model SA-227-AT with S/Nos. AT-423 to AT-469. All model SA-227-AC with S/Nos. AC-420 to AC-473.\n\nDocument: 1. Fairchild Swearingen SB No. 27-032.\n\n2. Fairchild Swearingen SB No. 27-002.\n\nNote: FAA AD 81-ASW-39 Amdt. 39-4238 refers.\n\nCompliance: Unless already accomplished, modify before 1 March 1982.\n\nBackground: Relocation of the elevator return spring is necessary to prevent jamming of the elevator control in the event of inflight failure of the spring. This amendment extends applicability by aircraft models and S/Nos.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1585},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment expands the applicability to include additional aircraft models (SA-227-AT and SA-227-AC) and extended serial number ranges beyond the original directive's scope."},"complexity_factors":["References to external technical documents (Service Bulletins 27-032 and 27-002) without reproducing their content","Precise applicability criteria involving four aircraft models and specific serial number ranges","Technical aviation terminology requiring specialized knowledge (e.g., 'elevator return spring', 'S/Nos')","Conditional compliance clause ('Unless already accomplished')"],"plain_english_summary":"CASA requires owners and operators of specified Fairchild Swearingen SA-226/SA-227 aircraft to relocate the elevator return spring to a new position to prevent a broken spring jamming the elevator and risking loss of control. The modification must follow Fairchild Swearingen Service Bulletin No. 27‑032 or 27‑002 and be completed before 1 March 1982. Amendment 1 widens the list of affected serial numbers."}},"importantCases":[],"_links":{"self":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification","history":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification/history","analysis":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification/analysis","conflicts":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification/conflicts","importantCases":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification/important-cases","documents":"/api/acts/ad-swsa226-38-amdt-1-elevator-return-spring-location-modification/documents"}}