{"id":"F2014L01574","name":"AD/BEECH 33/37 Amdt 1 — Wing Forward Spar Carry-Through Structure","slug":"ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":128752,"registerId":"commonwealth-F2014L01574-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Beechcraft 33 and 35-33 (Debonair/Bonanz","sectionType":"division","heading":"Beechcraft 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes","content":"### Beechcraft 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes\n\n| AD/BEECH 33/37 Amdt 1 | Wing Forward SparCarry-Through Structure | 24/2014 |\n| --------------------- | ---------------------------------------- | ------- |\n\n| Applicability: | The following Beech Aircraft Corporation aircraft:(a) model 35-33, 35-A33, 35-B33, 35-C33, E33,F33 and G33 aircraft with serial numbers from CD-1 to CD1304 inclusive;(b) model 35-C33A, E33A and F33A aircraft with serial numbers from CE-1 to CE-1192 inclusive;(c) model E33C and F33C aircraft with serial numbers from CJ-1 to CJ-179 inclusive. |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |\n| Requirement:   | Action in accordance with the technical requirements of Federal Aviation Administration of the United States of America (FAA) AD 95-04-03 Amendment 39‑9155.Note: Beech Service Bulletin 2360 refers.                                                                                                                                                  |\n| Compliance:    | As specified in FAA AD 95-04-03 Amendment 39‑9155 with a revised effective date of 28 November 2014.                                                                                                                                                                                                                                                   |\n|                | The effective date of this AD is 28 November 2014.                                                                                                                                                                                                                                                                                                     |\n| Background:    | The FAA has received reports of cracks in the wing front carry-through frame structure. AD/BEECH 33/37 requires initial and repetitive inspections and repair or reinforcement if found cracked.This AD replaces AD/BEECH 33/37 and updates the references to the relevant FAA AD to the latest issue from the FAA.                                    |\n\n![](image.001.png)\n\nMike Higgins  \nDelegate of the Civil Aviation Safety Authority\n\n21 November 2014","sortOrder":0},{"sectionNumber":"AD/BEECH 33/37 Amdt 1","sectionType":"part","heading":"AD/BEECH 33/37 Amdt 1","content":"## AD/BEECH 33/37 Amdt 1","sortOrder":1},{"sectionNumber":"Wing Forward SparCarry-Through Structure","sectionType":"part","heading":"Wing Forward SparCarry-Through Structure","content":"## Wing Forward Spar  \nCarry-Through Structure","sortOrder":2},{"sectionNumber":"24/2014","sectionType":"part","heading":"24/2014","content":"## 24/2014","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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This amendment maintains the original scope of the airworthiness directive. It updates the reference to the latest FAA directive and revises the effective date, but does not expand the applicability to new aircraft models or introduce new types of requirements beyond the original inspection and repair mandate."},"complexity_factors":["Very short document (approximately 250 words)","Only 3 defined applicability categories (by model and serial number range)","Single technical requirement referencing an external FAA document rather than setting out detailed technical steps","No nested exceptions or conditional logic — compliance is mandatory for all listed aircraft","Minimal cross-referencing (only to FAA AD 95-04-03 and Beech Service Bulletin 2360)","Clear, tabular format with distinct sections for applicability, requirement, compliance, and background"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires owners/operators of specified Beechcraft Debonair and Bonanza (models 33 and 35‑33) to inspect and, if necessary, repair or reinforce the wing forward spar carry‑through structure after FAA findings of fatigue cracks that could lead to structural failure and wing separation. It replaces an earlier AD, references FAA AD 95‑04‑03, and sets a compliance deadline of 28 November 2014."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"This instrument replaces the earlier AD/BEECH 33/37 and updates the referenced FAA AD to the latest issue, but it retains the core requirement for initial and repetitive inspections and repair or reinforcement of cracked wing forward spar carry‑through structures. The affected aircraft types and serial-number ranges and the substantive inspection/repair obligations remain materially the same; changes are to the reference documents and the stated effective date (Background/Requirement/Compliance)."},"complexity_factors":["Cross-reference to FAA AD 95‑04‑03 Amendment 39‑9155 and Beech Service Bulletin 2360 requires consulting external technical documents (Requirement).","Model- and serial-number-specific applicability creates administrative complexity for operators checking affected fleets (Applicability).","Technical nature of inspections, repairs or reinforcements requires qualified maintenance resources and technical judgement (Background/Requirement).","Versioning and replacement of a prior AD means operators must track the updated reference and effective date (Background/Compliance).","Compliance timing and recurring inspection obligations impose ongoing operational and cost burden on aircraft owners/operators (Compliance).","Regulatory delegation and issuance by CASA (Delegate signature) indicates administrative enforcement under the regulator (signature block)."],"plain_english_summary":"This AD requires owners/operators of specified Beechcraft 33 and 35‑33 series aeroplanes (listed by serial number) to carry out initial and repetitive inspections of the wing forward spar carry‑through structure and to repair or reinforce any cracks found. It mandates compliance with FAA AD 95‑04‑03 Amendment 39‑9155 (see Beech Service Bulletin 2360) and takes effect 28 November 2014; owners/operators pay for inspections and any repairs and must follow the FAA AD's procedures and timings."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure","history":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure/history","analysis":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure/analysis","conflicts":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure/conflicts","importantCases":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure/important-cases","documents":"/api/acts/ad-beech-33-37-amdt-1-wing-forward-spar-carry-through-structure/documents"}}