{"id":"F2007L02446","name":"AD/BEECH 90/103 - Flight Control System","slug":"ad-beech-90-103-flight-control-system","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":67907,"registerId":"commonwealth-F2007L02446-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Beechcraft 90 and 65-90 (King Air) Serie","sectionType":"division","heading":"Beechcraft 90 and 65-90 (King Air) Series Aeroplanes","content":"### Beechcraft 90 and 65-90 (King Air) Series Aeroplanes\n\n| AD/BEECH 90/103 | Flight Control System | 9/2007 |\n| --------------- | --------------------- | ------ |\n\n| Applicability: | Model C90A aircraft, serial numbers LJ-1697 through LJ-1726, LJ-1728, LJ-1729, LJ-1731 through LJ-1739, and LJ-1741 through LJ-1743.                                                                                                                                                                                                                                                                                                                                                                                                      |\n| -------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Inspect the entire flight control system for improper assembly and damage, in accordance with Raytheon Aircraft Company Mandatory Service Bulletin (SB)No. SB 27-3761 issued February 2006, or SB No. SB 27-3761 Revision 1, dated December 2006.If any improperly assembled or damaged flight controls are discovered as a result of the above inspection, before further flight, take corrective action as specified in SB No. SB 27-3761 original issue, or SB No. SB 27-3761 Revision 1.Note: FAA AD 2007-12-06 Amdt 39-15084 refers. |\n| Compliance:    | Unless already accomplished, within 100 hours time in service after 30 August 2007 or at the next annual inspection that occurs at least 30 days after 30 August 2007, whichever occurs first.                                                                                                                                                                                                                                                                                                                                            |\n|                | This Airworthiness Directive becomes effective on 30 August 2007.                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |\n| Background:    | The FAA received a report of inspections of several affected aircraft with improperly assembled or damaged flight controls. Unless detected and corrected, improperly assembled or damaged flight controls could result in a reduction in flight control capability and lead to loss of control of the aircraft.                                                                                                                                                                                                                          |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n11 July 2007","sortOrder":0},{"sectionNumber":"AD/BEECH 90/103","sectionType":"part","heading":"AD/BEECH 90/103","content":"## AD/BEECH 90/103","sortOrder":1},{"sectionNumber":"Flight Control System","sectionType":"part","heading":"Flight Control System","content":"## Flight Control System","sortOrder":2},{"sectionNumber":"9/2007","sectionType":"part","heading":"9/2007","content":"## 9/2007","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive does not indicate any expansion or reduction of scope beyond what it sets out: it targets listed serial numbers and mandates inspection and corrective action per the referenced service bulletin. The text references the FAA AD but contains no language that changes the population or obligations described (Applicability; Requirement; Compliance)."},"complexity_factors":["Narrow applicability: applies only to specific Beechcraft C90A serial numbers (Applicability).","Single mandated task: inspect entire flight control system and correct defects as per Raytheon SB 27‑3761 or Revision 1 (Requirement).","Normative reliance on an external manufacturer document (SB 27‑3761/Revision 1) to define inspection and corrective steps (Requirement).","Mandatory corrective action before further flight if defects are found — creates immediate operational constraints (Requirement).","Time-bound compliance window (within 100 hours TIS or next annual inspection after specified date) that affects scheduling (Compliance).","Cross-reference to FAA AD 2007‑12‑06 as related authority (Requirement/Note).","Costs and responsibility fall on aircraft owners/operators to perform inspections and repairs; potential for aircraft downtime (Requirement/Compliance).","Limited administrative discretion in the text — the directive prescribes action and timing rather than discretionary remedies (Requirement/Background)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of certain Beechcraft C90A aeroplanes (listed serial numbers) to inspect the entire flight‑control system for improper assembly or damage following Raytheon Service Bulletin SB 27‑3761 (or Revision 1) and to carry out prescribed corrective action before further flight if defects are found. Compliance must occur within 100 hours time‑in‑service after 30 August 2007 or at the next annual inspection meeting the stated timing. The stated safety rationale is to prevent reduced control capability and possible loss of control."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, targeted airworthiness directive addressing a specific safety defect in a limited fleet. The scope remains precisely focused on the original safety concern regarding flight control assembly in specific Beechcraft C90A aircraft."},"complexity_factors":["Single, specific aircraft model and narrow serial number range (approximately 30 aircraft)","One clear requirement: inspect per manufacturer's bulletin","Simple conditional compliance deadline (100 hours OR next annual inspection)","No nested exceptions or complex defined terms","Straightforward trigger for corrective action (if problem found, fix before flight)","Short document with minimal cross-referencing (only references one FAA AD and one service bulletin)"],"plain_english_summary":"This CASA Airworthiness Directive requires owners/operators of certain Beechcraft C90A King Airs (serials LJ-1697–LJ-1743) to inspect the entire flight control system per Raytheon Service Bulletin 27-3761 and repair any assembly errors or damage before next flight.  \n\nThe AD follows FAA findings of improperly assembled/damaged controls that could cause loss of control; compliance is mandatory within the specified timeframe to prevent accidents."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-90-103-flight-control-system","history":"/api/acts/ad-beech-90-103-flight-control-system/history","analysis":"/api/acts/ad-beech-90-103-flight-control-system/analysis","conflicts":"/api/acts/ad-beech-90-103-flight-control-system/conflicts","importantCases":"/api/acts/ad-beech-90-103-flight-control-system/important-cases","documents":"/api/acts/ad-beech-90-103-flight-control-system/documents"}}