{"id":"F2006B07768","name":"Airworthiness Directives 2004 - Revocation and Remaking - Boeing 727 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50539,"registerId":"commonwealth-F2006B07768-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Boeing 727 Series Aeroplanes","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nBoeing 727 Series Aeroplanes\n\nAD Name AD Number\n\nFlight Data Recorder & Flight Crew Voice Recorder - Install - CANCELLED AD/B727/1 Amdt 2\n\nLanding Gear Warning System - Modification AD/B727/2\n\nInboard Flap Asymmetry Shut-Off Wiring - Modification AD/B727/3\n\nMain Landing Gear Manual Extension Torque Tube - Modification AD/B727/4\n\nTailplane Rear Spar Lower Cap - Inspection AD/B727/5 Amdt 2\n\nEngine Cone Bolt Nut - Inspection and Replacement AD/B727/6\n\nInboard and Outboard Midflap Carriage - Modification AD/B727/7 Amdt 1\n\nHorizontal Stabilizer Trailing Edge Lower Beam and Elevator AD/B727/8\n\nMain Landing Gear Safety Bar - Modification AD/B727/9 Amdt 1\n\nNose Landing Gear Drag Brace Arm - Inspection and Modification AD/B727/10\n\nWing Rib Doubler Replacement at Wing Buttock Line 3480 AD/B727/11\n\nAddition of Access Doors to Horizontal Stabilizer AD/B727/12\n\nCANCELLED AD/B727/13\n\nAuxiliary Power Unit Cutout - Reinforcement AD/B727/14 Amdt 1\n\nNose Landing Gear Lock Actuator Crank - Inspection and Modification AD/B727/15\n\nControl Column Shaker Motor - Circuit Revision AD/B727/16\n\nGalley Forward Entry and Cargo Door Cutout - Modification AD/B727/17\n\nOutboard Trailing Edge Foreflap Track Guide Block - Installation AD/B727/18\n\nNose Gear Drag Brace Support Beam and Support Fitting - Inspection and AD/B727/19 Amdt 3\n\nThrust Reverser Lockout Actuator Piston - Replacement AD/B727/20\n\nInboard Trailing Edge Upper Wing Panel - Replacement AD/B727/21\n\nMain Landing Gear Actuator Beam - Inspection and Modification AD/B727/22\n\nInboard Mid-Flap Link Support Beam - Inspection and Modification AD/B727/23\n\nInboard Flap Drive Angle Gearbox Housing - Inspection and Modification AD/B727/24 Amdt 2\n\nEngine Fuel Feed Line B-Nuts - Inspection and Replacement AD/B727/25\n\nLower Wing Inspar Rib - Inspection and Modification AD/B727/26\n\nMain Landing Gear Actuator Beam - Inspection and Modification AD/B727/27\n\nEmergency Brake System - Modification AD/B727/28\n\nFlight Spoiler Actuator Support Fitting - Inspection and Replacement AD/B727/29\n\n  \nNose Landing Gear Actuating Rod - Inspection and Replacement AD/B727/30\n\nStabilizer Upper Rear Spar Chord - Inspection and Modification AD/B727/31 Amdt 2\n\nNose Landing Gear Actuating Bracket - Inspection AD/B727/32\n\nNose Gear Steering Metering Valve and Cylinder - Inspection and Modification AD/B727/33 Amdt 1\n\nStabilizer Hinge Bearings and Bushings - Replacement AD/B727/34\n\nFuel Lines Within Fuselage - Modification AD/B727/35\n\nFlap Track - Modification AD/B727/36\n\nCANCELLED AD/B727/37\n\nMain Landing Gear Actuator Link Assembly - Replacement AD/B727/38\n\nMain Landing Gear Down Lock Universal Bolt - Replacement AD/B727/39\n\nCargo Door Mechanism Protective Cover - Installation AD/B727/40\n\nOutboard Fuel Tank Access Door Bonding - Modification AD/B727/41\n\nDoor Mounted Escape Slide Component - Modification AD/B727/42\n\nAutomatic Pilot Servo Engage Switches - Modification AD/B727/43\n\nWing Centre Section Fasteners - Replacement AD/B727/44\n\nNot Issued AD/B727/45\n\nHorizontal Stabilizer Rear Spar Centre Section Fitting - Inspection AD/B727/46 Amdt 1\n\nNot Issued AD/B727/47\n\nStabilizer Trim System Brake Assembly - Modification AD/B727/48\n\nMain Landing Gear Door Actuator Fitting - Replacement AD/B727/49\n\nSide Engine Gearbox Breather Duct - Modification AD/B727/50\n\nRight Hand Inboard Midflap Trailing Edge Upper Chord Support Angle - AD/B727/51\n\nHorizontal Stabilizer Trailing Edge Closure Rib Inboard Terminal Fitting - AD/B727/52\n\nMain Landing Gear Side Strut - Modification AD/B727/53 Amdt 1\n\nLanding Gear Forward Trunnion Support Special Stud - Replacement AD/B727/54\n\nMain Landing Gear Uplock and Downlock - Inspection and Modification AD/B727/55 Amdt 1\n\nMain Landing Gear Shock Strut Outer Cylinder - Inspection AD/B727/56\n\nThrust Reverser Deflector Doors - Modification AD/B727/57\n\nMain Landing Gear Actuator Beam Support Link - Inspection and Modification AD/B727/58 Amdt 1\n\nMain Landing Gear Down Lock Torque Tubes - Inspection and Modification AD/B727/59 Amdt 1\n\nFin Front Spar Forging - Inspection AD/B727/60\n\nRear Pressure Bulkhead Vertical Beams AD/B727/61 Amdt 2\n\nElevator Aft Control Quadrant - Modification AD/B727/62\n\nRudder Pedal Adjustment Crank Assembly - Modification AD/B727/63\n\nTake-Off Warning Switch Setting Revision - Modification AD/B727/64 Amdt 1\n\nEngine Fire Extinguisher - Inspection and Modification AD/B727/65\n\n  \nEngine Cone Bolt - Inspection and Replacement AD/B727/66\n\nNose Gear Drag Brace Lock Actuating Arm - Replacement AD/B727/67\n\nMain Landing Gear Aft Trunnion - Inspection and Rework AD/B727/68\n\nCANCELLED AD/B727/69\n\nMain Landing Gear Down-Lock Torque Shaft P/N 65-23366 - Replacement AD/B727/70\n\nOutboard Aileron Tab Mast Fitting - Inspection and Modification AD/B727/71\n\nToilet Areas - Inspection and Modification AD/B727/72\n\nNose Landing Gear Release Mechanism Torsion Shaft - Inspection AD/B727/73\n\nElevator Balance Panel Aft Hinge - Inspection AD/B727/74\n\nForward and Aft Cargo Door Stops - Inspection and Modification AD/B727/75 Amdt 2\n\nForward Lower Body Skin - Inspection AD/B727/76 Amdt 1\n\nHydraulic System B Pump Motor AD/B727/77 Amdt 1\n\nEngine Fuel Feed Forward Shroud Hose Assemblies - Inspection and AD/B727/78 Amdt 1\n\nStatic Sensing Holes - Modification AD/B727/79\n\nHorizontal Stabilizer Centre Section Front Spar Junction Fittings - Inspection AD/B727/80 Amdt 1\n\nBody Station 910 Floor Beam - Inspection AD/B727/81\n\nHorizontal Stabiliser Jackscrew Gimbal Support Fitting Assembly - Inspection AD/B727/82\n\nMid-Cabin Galley Door Evacuation Slide - Inspection AD/B727/83\n\nMain Landing Gear Lock System AD/B727/84 Amdt 3\n\nMain Landing Gear Side Strut AD/B727/85\n\nPassenger Oxygen Mask Tube Attachment AD/B727/86\n\nAuxiliary Body Fuel System AD/B727/87 Amdt 2\n\nMain Cargo Door Cam Support Fittings AD/B727/88 Amdt 2\n\nCockpit Side Window - F-N Window Post AD/B727/89 Amdt 4\n\nGround Spoiler Hydraulic Tube Assemblies - Modification AD/B727/90\n\nLeading Edge Slat Actuators - Inspection and Modification AD/B727/91\n\nTake-Off Warning System - Modification AD/B727/92\n\nForward Entry Door Frame AD/B727/93 Amdt 3\n\nForward Cargo Compartment Sidewall Frame AD/B727/94 Amdt 1\n\nOuter Wing Upper Stringers AD/B727/95 Amdt 2\n\nWing Rear Spar Terminal Fitting AD/B727/96 Amdt 1\n\nSupplementary Structural Integrity AD/B727/97 Amdt 4\n\nMain Cargo Door Skin - Inspection and Modification AD/B727/98\n\nNo. 3 Cargo Door Frame AD/B727/99 Amdt 3\n\nElevator Rear Spar AD/B727/100 Amdt 3\n\nRear Pressure Bulkhead Web AD/B727/101 Amdt 1\n\n  \nBolt Attaching Slat to Slat Track AD/B727/102 Amdt 1\n\nMLG Side Strut Downlock Bearing and Bolt AD/B727/103\n\nMain Landing Gear Lock System AD/B727/104\n\nTake-Off Warning AD/B727/105 Amdt 1\n\nMain Landing Gear Support Link AD/B727/106\n\nMLG Wheel Well Pressure Floor AD/B727/107 Amdt 2\n\nAileron Power Control Unit AD/B727/108\n\nFuselage - Aft Lower Lobe Frame AD/B727/109 Amdt 1\n\nWing Centre Section Front Spar Web AD/B727/110 Amdt 2\n\nEngine Mount Cone Bolt Nuts AD/B727/111\n\nFuselage Forward Lower Body Skin AD/B727/112 Amdt 1\n\nAft Mount Support Fittings Engines 1 and 3 AD/B727/113\n\nMain Landing Gear I/B Door Actuator Rib Fitting - CANCELLED AD/B727/114\n\nFuselage Lap Joints S-14, S-19, S-20, and S-26 - CANCELLED AD/B727/115\n\nFuselage Lap Joints AD/B727/116 Amdt 1\n\nInboard T/E Flaps Inboard Track AD/B727/117\n\nStructural Modification Program AD/B727/118 Amdt 1\n\nEscape Slide Release Cable AD/B727/119\n\nFuel Tank Access Doors AD/B727/120\n\nTakeoff Configuration Warning System AD/B727/121\n\nForward and Aft Attendants Panel Ground Wire Installation AD/B727/122\n\nLanding Gear Selector Valve Actuator Arm AD/B727/123\n\nFuselage Crown Skin Circumferential Joint BS 1080 AD/B727/124\n\nUpper Body Skin Bonded Tear Straps AD/B727/125\n\nMain Deck Cargo Door AD/B727/126\n\nAft Cargo Compartment Corrosion AD/B727/127 Amdt 1\n\nCorrosion Prevention and Control Program AD/B727/128 Amdt 1\n\nFuselage Circumferential Joint Doubler BS259, 360, 441, 481 and 681 AD/B727/129\n\nLife Raft Stowage Compartment AD/B727/130\n\nFuselage Skin Cracking AD/B727/131 Amdt 1\n\nNumber Two Cargo Doorway Frames AD/B727/132\n\nInboard TE Flap Inboard Track AD/B727/133\n\nAuxiliary Fuel Tanks AD/B727/134\n\nMain Deck Cargo Compartment AD/B727/135 Amdt 1\n\nMLG Door Actuator Rib Fitting and Attach Bolts AD/B727/136 Amdt 2\n\nBrake Wear Limit AD/B727/137 Amdt 1\n\n  \nMain Cargo Door AD/B727/138\n\nCargo Door Latch Lockpin AD/B727/139\n\nBody Station 950 Side Fitting AD/B727/140\n\nBody Station 870 Terminal Fitting AD/B727/141\n\nWing Slat Track Roller Bearing Bolts AD/B727/142 Amdt 1\n\nBendix Brakes Fitted with Nasco Rotors AD/B727/143\n\nWing Centre Section Front Spar Web AD/B727/144 Amdt 1\n\nLavatory Drain System AD/B727/145\n\nAgeing Aircraft Structural Inspection Programme AD/B727/146\n\nFuselage Frames at BS 760.95, 783.95, 825.95 and 848.95 AD/B727/147 Amdt 1\n\nFuel Actuator Shutoff Valve AD/B727/148\n\nElevator Rear Spar - 2 AD/B727/149\n\nMain Deck Cargo Door AD/B727/150\n\nEngine Forward Support Fitting AD/B727/151\n\nRear Spar Web Between Right and Left BBL 40 AD/B727/152 Amdt 1\n\nMain Landing Gear Manual Extension Gearbox AD/B727/153\n\nFuel Valve Actuator Replacement AD/B727/154\n\nFuselage Skin Lap Joints AD/B727/155\n\nMain Cargo Deck Floor Beams AD/B727/156\n\nMain Cargo Deck Floor Beams AD/B727/157\n\nMain Cargo Deck Floor Beams AD/B727/158\n\nMain Cargo Deck Floor Beams AD/B727/159\n\nLower Skin Panel at the Lower Row of Fasteners of Fuselage Lap Joints AD/B727/160 Amdt 2\n\nFuel Boost Pump Wiring Conduits AD/B727/161 Amdt 1\n\nVertical Beam Web and Forward Flange of the Aft Pressure Bulkhead AD/B727/162\n\nLower Fuselage Skin Panels AD/B727/163\n\nNLG Wheel Well Pressure Web AD/B727/164\n\nUpper and Lower Sills of Number 1 Cargo Door AD/B727/165\n\nArgo-Tech/TRW Fuel Boost Pumps AD/B727/166\n\nForward Entry Doorway AD/B727/167\n\nWing Rib-to-Stringer Attachment AD/B727/168\n\nMid-Galley Door Hinge Cutout AD/B727/169\n\nFuselage Circumferential Skin Joints AD/B727/170\n\nEscape Slide AD/B727/171\n\nMLG Forward Trunnion Bearing Support Fitting AD/B727/172\n\nHorizontal Stabiliser Hinge Pin AD/B727/173\n\n  \nShoulder Restraint of Attendant or Observers Seat AD/B727/174\n\nWing Rear Spar Upper Chord AD/B727/175\n\nHorizontal Stabiliser - Elevator Hinge Support Ribs AD/B727/176\n\nMain Deck Cargo Door Hinge, Cargo Door System and Cargo Barrier - 1 AD/B727/177\n\nMain Deck Cargo Door Hinge, Cargo Door System and Cargo Barrier - 2 AD/B727/178\n\nMain Deck Cargo Door Hinge, Cargo Door System, and Cargo Barrier - 3 AD/B727/179\n\nMain Deck Cargo Door Hinge, Cargo Door System, and Cargo Barrier - 4 AD/B727/180\n\nWire Bundle Chafing AD/B727/181\n\nWing Rear Spar Upper Chord AD/B727/182\n\nOxygen Masks AD/B727/183\n\nAutopilot Pitch Control Computer AD/B727/184\n\nHydraulic Accumulator End Cap Separarion AD/B727/185\n\nForward Ceiling Access Panel/Door AD/B727/186\n\nForward and Aft Frames of Aft Cargo Door Opening AD/B727/187\n\nMain Deck Cargo Door Forward and Aft Hinge Fitting Structure AD/B727/188\n\nEngine Mount Forward Cone Bolt Flange Attachment AD/B727/189\n\nElectrical Bonding AD/B727/190\n\nMain Landing Gear Forward Trunnion Attach Fittings AD/B727/191\n\nEngine - Reverse Thrust Operating Limitations AD/B727/192\n\nCargo Restraint Strap Assemblies AD/B727/193","sortOrder":0}],"analysis":{"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"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"Scope not substantively changed. The delegate revokes the listed ADs and remakes them \"in exactly the same form as appears in the latest published edition of the Directive\" (note to instrument), so the technical and compliance obligations remain; the action is an administrative re-issuance under subregulation 39.001(1), shifting chiefly the legal form and record-keeping requirements rather than altering duties or coverage."},"complexity_factors":["Large list of individual Airworthiness Directives and multiple amendment notations (Schedule 1) increases administrative tracking burden.","Some entries are marked CANCELLED or NOT ISSUED, requiring careful cross-checking of current applicability.","Instrument relies on delegated power under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998, introducing a delegation/authority reference point.","Note states each AD is re-made in exactly the same form as the latest published edition, meaning substantive obligations remain but legal form changes.","Remaking each AD as a separate instrument creates additional instrument-management work for CASA and for operators who must update records and references."],"plain_english_summary":"This instrument, made by a CASA delegate under subregulation 39.001(1), revokes a long list of Boeing 727 airworthiness directives and reissues each one as a separate instrument in the same form as the latest published edition. It affects Boeing 727 owners, operators and maintenance organisations because the directives set mandatory inspection, modification and replacement requirements. The change is administrative: it preserves existing technical obligations while requiring stakeholders to track the reissued instrument references and comply with the continuing requirements."},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This instrument maintains the existing scope precisely. It is a pure administrative re-authorisation exercise — the same 193 directives (minus 6 cancellations) continue to apply to the same aircraft type with identical technical requirements. No expansion of regulatory scope has occurred."},"complexity_factors":["Simple, standardised administrative structure: single operative clause with two limbs (revocation and remaking)","No conditional logic or nested exceptions in the instrument itself — complexity lies in the attached schedules, not this parent instrument","193 separate Airworthiness Directives referenced but not reproduced in full (attached as separate instruments)","Minimal defined terms — only standard CASA delegation references","Straightforward tabular schedule format listing AD numbers and descriptive names","No cross-referencing to other legislation beyond the enabling regulation (Civil Aviation Safety Regulations 1998, subregulation 39.001(1))","Note clarifies that attached directives are re-made 'in exactly the same form' — no substantive changes to analyse"],"plain_english_summary":"This instrument revokes 193 existing Airworthiness Directives for Boeing 727s and re-makes them in the same form to restore their legal force in Australia. \n\nIt affects operators, owners and maintenance organisations of Australian-registered 727s and ensures mandatory safety requirements remain current and enforceable, preventing legal gaps that could compromise required inspections and repairs."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-727-series-aeroplanes/documents"}}