{"id":"F2006B04277","name":"AD/BEECH 90/94 - Elevator Control Cable","slug":"ad-beech-90-94-elevator-control-cable","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44083,"registerId":"commonwealth-F2006B04277-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 90/94 - Elevator Control Cable","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)  \nBeechcraft 90 and 65-90 (King Air) Series Aeroplanes\n\nAD/BEECH 90/94 Elevator Control Cable 7/99 DM\n\nApplicability: All Beech Models 65-90, 65-A90, 65-A90-1, 65-A90-2, 65-A90-3, 65-A90-4, B90,\n\nC90, C90A, E90, F90, and H90 aircraft.\n\nRequirement: 1. Accomplish the following:\n\n    Remove the pilot’s seat and floor panels in the cockpit area on the pilot’s side of the aircraft and inspect the entire area for interference or damage between the elevator control cable and equipment under the cockpit floor panels (wire harnesses, stainless steel clamps, etc).\n\n    b. Run a cloth wrap around the control cable to detect broken strands of the control cable (refer 90 Series Maintenance Manual, Sections 5-20-00, 5-20-01, if applicable, and 20-04-00).\n\n    2. Accomplish the following:\n\n    Replace or repair any damaged items found during the inspection and cloth wrap procedure specified in Requirement 1 of this Directive. This would include chafing damage and nicks, cuts, and broken strands on the control cable (refer 90 Series Maintenance Manual, Section 20-04-00, for criteria to determine if the cable needs to be replaced).\n\n    b. Secure any component that is interfering with the elevator control cable and install additional supports and clamps as necessary to prevent sagging or further interference between the elevator control cables and equipment under the cockpit floor panels. Use best shop practices and Advisory Circular 43.13-1B as guides for installing the additional supports.\n\n    c. Reinspect the elevator control cables in accordance with the procedures specified in Requirement 1 upon completion of any rework or replacement to assure that there is no interference.\n\n    d. Re-install floor panels and pilot’s seat.\n\nNote 1: Raytheon Safety Communique No. 143, dated October 1997, is not considered an alternative method of compliance to this Directive.\n\nNote 2: FAA Priority Letter AD 99-10-07 refers.\n\nCompliance: 1. Upon accumulating 600 hours total time in service on the aircraft or within 10 hours’ time in service after 9 June 1999, whichever occurs later.\n\n2. Before further flight after accomplishment of the Requirement 1 actions. This Airworthiness Directive becomes effective on 9 June 1999.\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\nBackground: The FAA has received numerous reports of reduced or loss of elevator control on Beech Model 90 series aircraft. In one incident where elevator up control was only available, investigation revealed that the down elevator cable was severed due to chafing between the cable and the windshield de-ice circuit electrical wire. In another incident, the elevator down cable separated because of interference between the cable and the stainless steel clamp that joined two bleed air supply ducts. Several other reports were received of incidents of reduced/loss of elevator control.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete safety directive addressing a specific mechanical defect in specific aircraft. It has not expanded beyond its original purpose of mandating inspection and repair of elevator control cable chafing issues."},"complexity_factors":["Single specific aircraft type and clearly enumerated model variants (11 models listed)","Straightforward two-stage compliance structure (inspect first, repair second)","Minimal defined terms — only standard aviation terminology (\"time in service\", \"total time\")","No cross-references to other legislation or complex conditional logic","Simple temporal compliance trigger (hours-based OR calendar-based, whichever is later)","Contains only 2 procedural requirements with sub-steps, clearly lettered (1.a, 1.b, 2.a-d)","Background section provides clear safety rationale without adding legal complexity"],"plain_english_summary":"This Airworthiness Directive orders owners/operators of specific Beechcraft 90-series King Airs to inspect, test and repair elevator control cables after reports of chafing that can sever cables and cause loss of pitch control. It requires removing floor panels, checking for chafing or broken strands, securing or replacing damaged cables and adding supports, with inspection due at 600 total hours or within 10 flight hours after 9 June 1999 and repairs completed before the next flight."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The Directive stays within its original safety-focused scope: it applies to the listed Beech 90 series aircraft and mandates inspection, repair/replacement, and securing of elevator control cables to prevent interference. It does not expand obligations beyond those corrective and preventative interventions nor broaden affected aircraft beyond the listed models; compliance timing and procedural references are set to implement that safety objective."},"complexity_factors":["Specific physical work required: removal of pilot’s seat and cockpit floor panels to access and inspect cable routing (Requirement 1).","Use of a tactile inspection method (cloth wrap) to detect broken strands, requiring hands-on technician judgement (Requirement 1b; references 90 Series Maintenance Manual sections).","Repair vs replacement decision depends on maintenance-manual criteria (90 Series Maintenance Manual, Section 20-04-00), adding reliance on external technical thresholds rather than simple pass/fail.","Corrective measures include securing components and adding supports per best shop practice and Advisory Circular 43.13-1B, introducing discretionary workmanship standards (Requirement 2b).","Immediate reinspection obligation after any rework to confirm no residual interference (Requirement 2c) creates follow-up compliance steps.","Narrow aircraft applicability but affects every operator of listed Beech 90 variants (Applicability list).","Fixed compliance timing: at 600 hours total time-in-service or within 10 hours after 9 June 1999, whichever is later, which can compress scheduling for operators (Compliance).","Notes restrict acceptable alternative methods (Note 1) and reference related FAA ADs, which can affect acceptable compliance routes."],"plain_english_summary":"This Airworthiness Directive orders owners/operators of listed Beech 90/King Air aircraft to remove the pilot’s seat and cockpit floor panels, inspect the elevator control cable area (using a cloth-wrap test) for interference, chafing or broken strands, and repair or replace damaged cables or interfering components. It responds to reported incidents where cable chafing or contact with wiring/clamps caused reduced or lost elevator control and requires corrective work and reinspection within the stated service-time window."},"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-beech-90-94-elevator-control-cable","history":"/api/acts/ad-beech-90-94-elevator-control-cable/history","analysis":"/api/acts/ad-beech-90-94-elevator-control-cable/analysis","conflicts":"/api/acts/ad-beech-90-94-elevator-control-cable/conflicts","importantCases":"/api/acts/ad-beech-90-94-elevator-control-cable/important-cases","documents":"/api/acts/ad-beech-90-94-elevator-control-cable/documents"}}