{"id":"F2006B06136","name":"AD/PC-6/32 - Elevator Attachment Bracket - Inspection and Modification","slug":"ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46918,"registerId":"commonwealth-F2006B06136-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PC-6/32 - Elevator Attachment Bracket - Inspection and Modification","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)  \nPilatus Porter PC-6 Series Aeroplanes\n\nAD/PC-6/32 Elevator Attachment Bracket \\- Inspection\n\nand Modification\n\n  \n8/71\n\nApplicability: All models.\n\nRequirement: 1. Inspect the elevator attachment bracket P/N 6300.0011.00 for evidence of reworking of flange referred to in paras. 1.2 and 1.3 of Pilatus SB No. 107. In the event of positive identification, comply with para. 2 and 3 of this Directive.\n\n    2. Inspect the elevator attachment bracket in accordance with para. 2.1 of Pilatus SB No. 107 for evidence of cracking. If cracking is found repair as instructed in Service Bulletin.\n\n    3. Reinforce the elevator attachment bracket in accordance with Pilatus SB No. 107\\. Compliance: For para. 1 - Within 10 hours time in service after 24 August 1971.\n\nFor para. 2 \\- Within 10 hours time in service after 24 August 1971 and thereafter at intervals not exceeding 100 hours time in service until the accomplishment of para. 3.\n\nFor para. 3 \\- Within 200 hours time in service after 24 August 1971 or before 31 December 1971, whichever occurs first.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive addressing a specific airworthiness concern. It has not expanded beyond its original purpose of ensuring the structural integrity of elevator attachment brackets on PC-6 aircraft."},"complexity_factors":["Short, single-purpose directive with only 3 requirements","No defined terms section — relies on external reference to Pilatus Service Bulletin No. 107","Simple conditional logic: 'If cracking is found, repair as instructed'","Clear compliance deadlines with straightforward 'whichever occurs first' alternative","No cross-references to other legislation beyond the parent Civil Aviation Regulations 1998","Single applicability criterion ('All models') with no exceptions or exemptions"],"plain_english_summary":"This AD requires owners/operators of Pilatus PC‑6 (Porter) aeroplanes to inspect and, where necessary, repair and reinforce the elevator attachment bracket (P/N 6300.0011.00) per Pilatus service instructions.  \n\nIt affects all PC‑6 operators in Australia and addresses a risk of structural failure and loss of control, with urgent inspections and a mandated reinforcement to be completed within short flight‑hour limits."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The directive stays focused on inspection, repair and reinforcement of the specified elevator attachment bracket for all PC‑6 models as set out in the text. It does not expand to other parts or aircraft beyond the stated applicability."},"complexity_factors":["Multiple, short compliance deadlines and intervals (initial 10 hours, recurring 100‑hour inspections, reinforcement within 200 hours or by a calendar date)","Dependence on an external technical document (Pilatus Service Bulletin No. 107) for inspection, repair and reinforcement procedures","Action triggered by identification of prior reworking of a specific flange and by detection of cracking (requires judgement in inspection)","Requirement for structural repair/reinforcement which can require parts, downtime and skilled maintenance facilities","Broad applicability to all PC-6 models increases the number of affected operators"],"plain_english_summary":"This Airworthiness Directive requires operators of Pilatus PC-6 aeroplanes to inspect elevator attachment bracket P/N 6300.0011.00 for flange reworking and cracking, repair any cracks, and install a reinforcement per Pilatus Service Bulletin No. 107. CASA sets short compliance windows: initial inspections within 10 hours, repeat inspections every 100 hours until reinforcement, and reinforcement within 200 hours or by 31 December 1971. Aircraft owners/operators pay for inspections, repairs and modifications; maintenance organisations must carry out the work to the SB."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification","history":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification/history","analysis":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification/analysis","conflicts":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification/important-cases","documents":"/api/acts/ad-pc-6-32-elevator-attachment-bracket-inspection-and-modification/documents"}}