{"id":"F2006B04270","name":"AD/BEECH 90/88 - Cabin Door","slug":"ad-beech-90-88-cabin-door","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44075,"registerId":"commonwealth-F2006B04270-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 90/88 - Cabin Door","content":"COMMONWEALTH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 90/88 Cabin Door 13/92\n\nApplicability: Model 90 and 65-90 series.\n\nRequirement: 1. Carry out a detail visual inspection of the cabin door locking mechanism after removing all the cover trim panelling. Inspect for condition ie. security of attachment, cracking, corrosion, and wear etc.\n\n    2. Inspect the cabin door alignment with the door cut-out outer skin surface around the upper portion of the cut-out with the door in the closed position, but not locked. The door should not be required to be loaded at the top to allow lock/latch engagement.\n\n    3. Report any required rectification to a CAA District Airworthiness Office for forwarding to the Manager, Structures Section, Canberra, or direct by fax no.06 268 4594.\n\nCompliance: At the next scheduled inspection for maintenance release issue after 10 December 1992.\n\nBackground: This Directive is prompted by the recent loss of a cabin door during flight. An investigation of this event has revealed that the upper locking bolts and latches may not have been in the fully locked position, even though the inside handle was in the closed position. Following the inspection of the door mechanism of similar aircraft, it is considered that an internal disconnect may have occurred. The actions specified in this Directive are intended to insure the serviceability of the door locking mechanism and the safety of the aircraft.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2453},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope as an emergency safety measure responding to a specific incident where an aircraft lost its cabin door in flight. It has not expanded beyond the original intent of inspecting door locking mechanisms on specified Beechcraft models."},"complexity_factors":["Short, single-issue directive with only three specific actionable requirements","Limited applicability to specific aircraft model numbers only","Straightforward compliance deadline tied to existing maintenance schedules","Contains technical aviation terminology ('maintenance release', 'detail visual inspection') requiring domain knowledge"],"plain_english_summary":"This mandatory safety rule requires owners/operators of Beechcraft Model 90 and 65-90 King Airs to have cabin door locking mechanisms inspected at the next scheduled maintenance after 10 Dec 1992. Technicians must remove interior panels to check locks for cracks, corrosion, wear or looseness, confirm the door seats flush and locks engage without forcing, and report any defects to CASA. It was issued after an in-flight door loss revealed an internal disconnect that can leave bolts unengaged."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-90-88-cabin-door","history":"/api/acts/ad-beech-90-88-cabin-door/history","analysis":"/api/acts/ad-beech-90-88-cabin-door/analysis","conflicts":"/api/acts/ad-beech-90-88-cabin-door/conflicts","importantCases":"/api/acts/ad-beech-90-88-cabin-door/important-cases","documents":"/api/acts/ad-beech-90-88-cabin-door/documents"}}