{"id":"F2009L03417","name":"AD/TPE 331/22 - Fuel Control Bracket - Shimming and Increased Torque - CANCELLED","slug":"ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":140995,"registerId":"commonwealth-F2009L03417-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"AlliedSignal (Garrett/AiResearch) Turbin","sectionType":"division","heading":"AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series","content":"### AlliedSignal (Garrett/AiResearch) Turbine Engines - TPE 331 Series\n\n| AD/TPE 331/22 | Fuel Control Bracket - Shimmingand Increased Torque | 10/2009 |\n| ------------- | --------------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                              |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 24 September 2009.                                                                                                                                              |\n| Background:  | This unique Australian AD specified inspections in accordance with Airesearch SB No. 73-0036 Rev 2 within 100 hours time in service after September 1977. The AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n14 August 2009","sortOrder":0},{"sectionNumber":"AD/TPE 331/22","sectionType":"part","heading":"AD/TPE 331/22","content":"## AD/TPE 331/22","sortOrder":1},{"sectionNumber":"Fuel Control Bracket - Shimmingand Incre","sectionType":"part","heading":"Fuel Control Bracket - Shimmingand Increased Torque","content":"## Fuel Control Bracket - Shimming  \nand Increased Torque","sortOrder":2},{"sectionNumber":"10/2009","sectionType":"part","heading":"10/2009","content":"## 10/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2574},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"The directive has been completely cancelled, removing all operational requirements. The scope has shifted from mandating specific fuel control bracket inspections to imposing no requirements on affected engines."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms, interpretation section, or cross-references","No conditional logic, exceptions, or procedural steps","Extremely short (effective content less than 100 words)"],"plain_english_summary":"**What this does:** This document officially cancels a previous aviation safety rule called an Airworthiness Directive (AD) — specifically AD/TPE 331/22.\n\n**Who it affects:** Owners and operators of aircraft powered by AlliedSignal (Garrett/AiResearch) TPE 331 series turbine engines.\n\n**What changed:** The original rule required these operators to inspect the **fuel control brackets** on their engines within 100 hours of flying time, following a specific manufacturer service bulletin (Airesearch SB No. 73-0036). **This requirement is now removed.** As of 24 September 2009, operators no longer need to perform these inspections or follow the associated shimming and torque procedures.\n\n**Why it matters:** The Civil Aviation Safety Authority has determined these inspections are no longer necessary for safety. This saves aircraft operators time and maintenance costs by removing an outdated regulatory burden."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled","history":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled/history","analysis":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled/analysis","conflicts":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled/conflicts","importantCases":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled/important-cases","documents":"/api/acts/ad-tpe-331-22-fuel-control-bracket-shimming-and-increased-torque-cancelled/documents"}}