{"id":"F2006B05305","name":"AD/CESSNA 208/10 Amdt 2 - Flap Bellcrank Bolt","slug":"ad-cessna-208-10-amdt-2-flap-bellcrank-bolt","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45729,"registerId":"commonwealth-F2006B05305-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 208/10 Amdt 2 - Flap Bellcrank Bolt","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)  \nCessna 208 Series Aeroplanes\n\nAD/CESSNA 208/10\n\nAmdt 2\n\n  \nFlap Bellcrank Bolt 13/95\n\nApplicability: Models 208 and 208A S/nos 20800001 to 20800243, and 208B S/nos 208B0001 to 208B0465.\n\nRequirement: Action in accordance with Cessna Service Bulletin CAB95-11 Rev 1.\n\nCompliance: 1. For aircraft where the bellcrank bolt has achieved 500 landings, within 100 hours time in service after 12 October 1995 or prior to 12 October 1996, whichever occurs first.\n\n    2. For aircraft where the bellcrank bolt has not achieved 500 landings, prior to achieving 501 landings or within 100 hours time in service after 12 October 1995, whichever occurs last.\n\n    3. For aircraft that have been modified by the installation of SK208-123-1 or SK208-123A1, within the next 200 hours time in service after 7 December 1995.\n\nThe effective dates of this Directive for:\n\n    the initial issue, was 13 October 1994, and\n    for Amendment 1, 12 October 1995.\n\nFor Amendment 2, Compliance statements 1. and 2. remain unchanged.\n\nBackground: The manufacturer had received reports of failure of the subject bolt, a condition that would result in asymmetric flap.\n\nAmendment 1 is the result of the cancellation of Cessna Service Bulletins CAB89-32 Rev 2 and CAB94-14 Rev 1, the Requirement documents for the initial issue of this Directive, and the issue of the current Requirement document.\n\nAmendment 2, through revision of the Requirement document, now includes aircraft previously modified by SK208-123-1 and SK208-123A1.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":true,"description":"The original directive (1994) applied to standard aircraft configurations. Amendment 2 explicitly expanded scope to include aircraft previously modified by installation of kits SK208-123-1 and SK208-123A1, adding a third compliance pathway. This represents scope creep from the original intent — initially these modified aircraft were excluded or overlooked, and the amendment brings them under the safety mandate."},"complexity_factors":["Multiple conditional compliance pathways based on aircraft usage history (500+ landings vs fewer than 500 landings)","Nested temporal deadlines ('whichever occurs first/last' constructions)","Three distinct compliance categories with different hour/landing thresholds","Cross-reference to external technical document (Cessna Service Bulletin CAB95-11 Rev 1) without reproducing its contents","Amendment history tracking (initial issue, Amendment 1, Amendment 2) with partial retention of earlier compliance statements","Specific serial number ranges requiring careful identification","Technical aviation terminology requiring domain knowledge (bellcrank, time in service, service bulletins)"],"plain_english_summary":"This CASA Airworthiness Directive mandates inspection or replacement of the flap bellcrank bolt on certain Cessna 208/208A/208B Caravans to prevent bolt failure that can cause dangerous asymmetric flaps. It applies to specific serial-numbered aircraft and therefore affects owners, operators and maintenance personnel. Compliance timing varies by landing-count and modification history (with earlier amendments updating technical references and this amendment adding coverage for aircraft fitted with particular modification kits)."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":true,"description":"Amendment 2 expanded the Directive's scope to include aircraft previously modified by STC/kit SK208-123-1 and SK208-123A1; those modified aircraft are now subject to the same service-bulletin work and a specific 200-hours time-in-service compliance window (see Amendment 2 and Compliance clause 3)."},"complexity_factors":["Applicability is limited to precise serial number ranges for three model variants (208, 208A, 208B), requiring operators to check airframe serials.","Multiple conditional compliance triggers: thresholds based on number of landings, hours time in service, and calendar-effective dates (Compliance clauses 1 and 2).","Separate compliance window for aircraft with specific modifications (SK208-123-1 or SK208-123A1) with a different hours-based deadline (Compliance clause 3).","The substantive action is by reference to an external document (Cessna Service Bulletin CAB95-11 Rev 1), so enforceable requirements depend on an outside technical document.","Amendment history and cancelled prior service bulletins are noted (initial issue, Amendment 1, Amendment 2), which can complicate traceability of the operative requirement.","Safety rationale is narrow and technical (bolt failure leading to asymmetric flap), so non-technical readers must map mechanical risk to procedural compliance."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of specified Cessna 208, 208A and 208B aeroplanes (listed by serial number ranges) to carry out work on the flap bellcrank bolt in accordance with Cessna Service Bulletin CAB95‑11 Rev 1 to prevent asymmetric flap caused by bolt failure. Compliance deadlines vary by how many landings the bolt has accrued, hours in service, or whether certain modifications have been fitted. The operator bears the inspection/repair cost and must schedule the mandated maintenance."},"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-208-10-amdt-2-flap-bellcrank-bolt","history":"/api/acts/ad-cessna-208-10-amdt-2-flap-bellcrank-bolt/history","analysis":"/api/acts/ad-cessna-208-10-amdt-2-flap-bellcrank-bolt/analysis","conflicts":"/api/acts/ad-cessna-208-10-amdt-2-flap-bellcrank-bolt/conflicts","importantCases":"/api/acts/ad-cessna-208-10-amdt-2-flap-bellcrank-bolt/important-cases","documents":"/api/acts/ad-cessna-208-10-amdt-2-flap-bellcrank-bolt/documents"}}