{"id":"F2006B06438","name":"AD/R22/33 - Tail Rotor Pedal Retaining Clip","slug":"ad-r22-33-tail-rotor-pedal-retaining-clip","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47859,"registerId":"commonwealth-F2006B06438-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/R22/33 - Tail Rotor Pedal Retaining Clip","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)  \nRobinson R22 Series Helicopters\n\n| AD/R22/33      | Tail Rotor Pedal Retaining Clip                                      | 10/90DM |\n| -------------- | -------------------------------------------------------------------- | ------- |\n| Applicability: | All R22 helicopters S/N 0002 thru 1431 fitted with removable pedals. |         |\n\nRequirement: 1. Action in accordance with Part 1 of Robinson Service Bulletin No 64. If any doubt exists as to the retaining clip locking capability the pedals must be removed until Part II of the Requirement document is incorporated.\n\n2. Action in accordance with Part II of Robinson Service Bulletin No 64\\. Compliance: 1. Prior to further flight after 31 July 1990.\n\n2. Prior to the next inspection for issue of a Maintenance Release after 31 July 1990 or by 31 December 1990, whichever occurs first.\n\nBackground: A removable pedal moved out of its retaining clip and caused a partial jamming of the tail rotor pedals.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2416},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope focused solely on the tail rotor pedal retaining clip defect in specific Robinson R22 aircraft. It has not expanded beyond this specific safety issue."},"complexity_factors":["Single, narrow mechanical issue addressed","Reference to external technical document (Robinson Service Bulletin No. 64)","Simple conditional logic allowing temporary component removal if safety is uncertain","Straightforward two-phase compliance schedule with specific cutoff dates"],"plain_english_summary":"This order requires operators of Robinson R22 helicopters (serials 0002–1431 with removable tail-rotor pedals) to inspect and, if needed, remove or repair the tail-rotor pedal retaining clips per Robinson Service Bulletin No. 64, and to install the bulletin’s permanent fix.\n\nInspections must be done before the next flight after 31 July 1990; the permanent fix by the next maintenance inspection after that date or by 31 December 1990. A clip failure allowed a pedal to slip and partly jam, risking loss of tail control and a crash."}},"importantCases":[],"_links":{"self":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip","history":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip/history","analysis":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip/analysis","conflicts":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip/conflicts","importantCases":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip/important-cases","documents":"/api/acts/ad-r22-33-tail-rotor-pedal-retaining-clip/documents"}}