{"id":"F2006B07769","name":"Airworthiness Directives 2004 - Revocation and Remaking - Boeing 737 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50542,"registerId":"commonwealth-F2006B07769-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 737 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 737 Series Aeroplanes\n\nAD Name AD Number\n\nCockpit Side Window - F-N Window Post AD/B737/1 Amdt 2\n\nEngine Fuel Supply - Leak Tests AD/B737/2\n\nA.P.U. Generator, Feeder Wire Bundle - Inspection AD/B737/3\n\nSide of Body Rib AD/B737/4 Amdt 1\n\nWing-To-Body Drag Angle AD/B737/5\n\nRear Pressure Bulkhead AD/B737/6 Amdt 1\n\nFuselage Frames Adjacent to Forward Airstair AD/B737/7\n\nEvacuation Slide Compartment Latch Assembly AD/B737/8 Amdt 2\n\nHorizontal Stabilizer - Centre Section Rear Spar AD/B737/9\n\nAft Lower Cargo Doorway Frame AD/B737/10 Amdt 1\n\nHorizontal Stabilizer Centre Section - Rear Spar Upper Chord Attach Lugs AD/B737/11\n\nSupplemental Structural Inspection Program AD/B737/12\n\nHorizontal Stabilizer Centre Section AD/B737/13\n\nForward Lower Cargo Doorway Frame AD/B737/14\n\nFuel Boost Pump Bypass Valve AD/B737/15 Amdt 3\n\nEngine Flameouts - Revised Operating Technique and Modifications AD/B737/16 Amdt 3\n\nAft Lavatory Dispenser Cavity Liner AD/B737/17\n\nTake-Off Warning AD/B737/18 Amdt 1\n\nEngine Overheat, Fire Detection and Fire Extinguishing Systems AD/B737/19\n\nEngine Fire/Overheat Detection Module AD/B737/20 Amdt 2\n\nGenerator Control Unit (GCU) Filter Modules AD/B737/21\n\nAPU Fuel Drains AD/B737/22 Amdt 1\n\nForward Service Doorway Aft Frame AD/B737/23 Amdt 3\n\nForward Galley Doorway Upper Corners AD/B737/24\n\nForward Lavatory Drain System - CANCELLED AD/B737/25 Amdt 1\n\nForward Service Doorway - Aft Frame - CANCELLED AD/B737/26\n\nTE Flap Track Support Fitting Attach Bolts AD/B737/27 Amdt 1\n\nFlight Attendant Seats AD/B737/28 Amdt 1\n\nWindow Belt Skin Doubler AD/B737/29 Amdt 1\n\n  \nEngine Throttle Cable AD/B737/30 Amdt 2\n\nFuselage - Longitudinal Lap Joint Lower Skin at Left and Right Stringer 14 AD/B737/31\n\nConfiguration, Maintenance and Procedures Standard for Extended Range AD/B737/32 Amdt 3\n\nForward and Aft Cargo Compartments AD/B737/33\n\nForward Left Entry Door Fuselage Aft Frame Bottom Door Stop Fitting Bolts AD/B737/34\n\nEngine Operation in Icing Conditions - CANCELLED AD/B737/35\n\nCabin Door Blowout Panels AD/B737/36\n\nFuselage Lap Joints BS259 to BS1016 AD/B737/37\n\nFuselage Lap Joints BS259 to BS1016 AD/B737/38\n\nAPU Fire Detector Element AD/B737/39\n\nStructural Modification Program AD/B737/40\n\nForward Door Evacuation Slides AD/B737/41\n\nEscape Slide Release Cable AD/B737/42\n\nNacelle Strut Firewall Seal AD/B737/43 Amdt 1\n\nFuel Tank Access Doors AD/B737/44\n\nTakeoff Configuration Warning System AD/B737/45 Amdt 1\n\nEngine Fire/Overheat Detection System AD/B737/46\n\nLeft Engine Fuel Feed Tube AD/B737/47\n\nRudder Trim AD/B737/48\n\nOutboard Flaptrack Support Fitting Attach Bolts AD/B737/49\n\nAPU - EGT Overtemperature Condition AD/B737/50\n\nOutboard Flap Forward Support Fitting Attach Bolts AD/B737/51\n\nCorrosion Prevention and Control Program AD/B737/52 Amdt 2\n\nFlight Attendant Seats AD/B737/53\n\nOverhead Wire Bundle AD/B737/54 Amdt 1\n\nAPU Power Feeder Cable Bundle Chafing AD/B737/55\n\nEngine Control Cable AD/B737/56\n\nMLG Actuator Beam AD/B737/57 Amdt 2\n\nMagnetic Standby Compass Liner AD/B737/58\n\nEngine Fire Extinguishing System AD/B737/59\n\nCrew Call Horn AD/B737/60\n\nMain Deck Cargo Compartment AD/B737/61 Amdt 1\n\nMain Fuel Tank Float Switch Electrical Harness AD/B737/62 Amdt 1\n\nStabilizer Trim Jackscrew Actuator AD/B737/63\n\nForward Door Escape Slide AD/B737/64 Amdt 1\n\nRadio Control Panels AD/B737/65\n\n  \nElectrical Wiring Loom AD/B737/66 Amdt 1\n\nElectrical Power Distribution P6 Load Control Centre Panel AD/B737/67\n\nSperry SP300 Autopilot Mode Control Panel AD/B737/68\n\nTransro Single Flight Attendant Seat Pan AD/B737/69\n\nThrust Reverser - Auxiliary Slider Track Liner AD/B737/70\n\nBrake Wear Limit AD/B737/71\n\nSide of Body Floor Panel Inserts AD/B737/72\n\nCabin Overhead Stowage Bins AD/B737/73\n\nThrust Reverser Actuator Piston Seal AD/B737/74\n\nPassenger Oxygen System AD/B737/75\n\nFlight Control Cable Guards AD/B737/76\n\nPilot and Co-Pilot Seats AD/B737/77 Amdt 1\n\nEvacuation Slide Valise AD/B737/78\n\nMain Rudder Power Control Unit (PCU) AD/B737/79\n\nWing Leading Edge Panel AD/B737/80 Amdt 1\n\nThrust Reverser Control System Inspection and Modification AD/B737/81 Amdt 1\n\nThrust Reverser Sync-Lock System Test AD/B737/82 Amdt 2\n\nFuselage - Upper Deck Cargo Door - CANCELLED AD/B737/83\n\nMain Rudder Power Control Unit (PCU) AD/B737/84\n\nFuel Actuator Shutoff Valve AD/B737/85\n\nBody Station 344 to 360 Support Structure AD/B737/86\n\nFuselage Lap Joints, Lower Skins AD/B737/87 Amdt 2\n\nHorizontal Stabiliser Trim Electric Actuator AD/B737/88\n\nMain Deck Cargo Door - Existing Frame to Lower Sill Tie-Down AD/B737/89\n\nMain Deck Cargo Door AD/B737/90 Amdt 2\n\nMain Deck Cargo Door Hinge, Shim and Fairing AD/B737/91\n\nThrust Reverser Fan Cowl Firewall AD/B737/92\n\nGalley Feeder Wiring AD/B737/93\n\nOutboard Chords of BS 727 Frame and Stringer 18A AD/B737/94\n\nElectrical/Electronics Equipment Bay Wire Chafing AD/B737/95\n\nFin Aft Terminal Support Fitting Bolts - CANCELLED AD/B737/96\n\nFwd Galley Service Door Lower Gate Hinge AD/B737/97\n\nKrueger Flap Actuator Support Fitting AD/B737/98\n\nMain Rudder Power Control Unit (PCU) AD/B737/99\n\nAileron Control Cable Pulley Bracket AD/B737/100\n\nElevator Feel and Centering Unit AD/B737/101\n\n  \nFlap Control Cable Failure Detection System AD/B737/102\n\nRudder Power Control Unit Replacement AD/B737/103\n\nRudder Power Control Unit Inspection AD/B737/104\n\nRudder Trim Switch AD/B737/105\n\nAileron Centring Spring and Trim Mechanism AD/B737/106\n\nAileron and Elevator Power Control Unit Replacement AD/B737/107\n\nRudder Standby Power Control Unit - Bearing Replacement AD/B737/108\n\nFlying Control Power Control Unit Cylinder Bore Replacement AD/B737/109 Amdt 2\n\nRudder Yaw Damper Valve Replacement AD/B737/110 Amdt 1\n\nSeat Track Alignment AD/B737/111 Amdt 1\n\nYaw Damper Coupler Internal Rate Gyroscope AD/B737/112\n\nRudder Power Control Unit Replacement AD/B737/113\n\nAileron AD/B737/114 Amdt 1\n\nHorizontal Stabiliser AD/B737/115\n\nYaw Damper and Rudder Power Control Unit Wiring Change AD/B737/116 Amdt 1\n\nMain Cargo Door AD/B737/117\n\nStandby Hydraulic System - Hydraulic Fuse Operation AD/B737/118\n\nFuel Boost Pump Wiring AD/B737/119 Amdt 2\n\nRudder Pedal Pushrods AD/B737/120\n\nFuel Boost Pump Wiring AD/B737/121 Amdt 1\n\nFuel Valve Actuator Replacement AD/B737/122\n\nRudder Control System Component Changes AD/B737/123\n\nAft Cargo Door Frame and the Cross Beams AD/B737/124 Amdt 2\n\nCentre Wing Fuel Tank Float Switch Wiring AD/B737/125 Amdt 1\n\nBody Station 1088 Bulkhead Terminal Support Fitting Bolts AD/B737/126\n\nElevator Tab Push Rod Attachment AD/B737/127 Amdt 2\n\nForward Lavatory Drain - Isolation Valve AD/B737/128\n\nAft Pressure Bulkhead Web AD/B737/129\n\nRudder PCU - Displacement Tests AD/B737/130 Amdt 1\n\nElectrical Power AD/B737/131 Amdt 4\n\nMain Landing Gear Tie Bolts AD/B737/132 Amdt 1\n\nFlight Deck Door Upper Decompression Panel AD/B737/133\n\nArgo-Tech/TRW Fuel Boost Pumps AD/B737/134\n\nRefuel Valve Actuator Suppression Diodes AD/B737/135 Amdt 1\n\nFlight Spoiler Control System Inspection AD/B737/136\n\nLE Slat Actuator Rod End AD/B737/137 Amdt 1\n\n  \nFuel Boost Pump Wiring AD/B737/138\n\nWire Bundle Chafing - Electric Motor Driven Hydraulic Pump AD/B737/139\n\nMain Landing Gear Axle Flange AD/B737/140\n\nForward Pressure Bulkhead AD/B737/141\n\nForward Cargo Door Frame AD/B737/142 Amdt 1\n\nFuel Low Pressure Switches and Boost Pumps AD/B737/143\n\nTaxi Light Assembly AD/B737/144\n\nFlightcrew Seat Locks and Seat Tracks AD/B737/145 Amdt 1\n\nOxygen Masks AD/B737/146\n\nCabin Door Handle Mounting Hub AD/B737/147\n\nUncommanded Rudder AD/B737/148 Amdt 1\n\nAutothrottle Computer AD/B737/149\n\nFuel Quantity Indicating System - No. 2 Tank Wiring Harness AD/B737/150\n\nAir Conditioning Duct Insulation AD/B737/151\n\nCentre Fuel Tank - Limitations AD/B737/152\n\nElevator Tab Control Rod Jam Nut AD/B737/153 Amdt 1\n\nElevator Tab AD/B737/154 Amdt 2\n\nElevator Hinge Plates AD/B737/155\n\nFuel Tank Vent System AD/B737/156\n\nOxygen Generators AD/B737/157\n\nFuel System Wiring Shielding and Separation AD/B737/158 Amdt 1\n\nEngine Fuel Shutoff Valve Wiring AD/B737/159\n\nHydraulic Shutoff Valves AD/B737/160\n\nMain Wheel Well Electrical Connectors AD/B737/161\n\nIn-Flight Entertainment System FAA STC ST00171SE AD/B737/162\n\nPassenger Entertainment System FAA STC ST09100AC-D, ST09104AC-D, AD/B737/163\n\nElevator Tab Repair AD/B737/164 Amdt 1\n\nAft Pressure Bulkhead-to-Fuselage Attachment AD/B737/165\n\nEscape Slide AD/B737/166\n\nKeel Beam Splices AD/B737/167\n\nMain Wheel Well Junction Box Electrical Wire Chafing AD/B737/168\n\nAft Pressure Bulkhead BS 1016 and Vertical Fin Forward Attachment Body AD/B737/169\n\nRudder Pedal Pushrod Fastener AD/B737/170\n\nElevator Hinge Plates AD/B737/171\n\nSpeedbrake Operation Limitation AD/B737/172 Amdt 1\n\nPower Distribution Panels AD/B737/173\n\n  \nShoulder Restraint of Attendant or Observers Seat AD/B737/174\n\nElevator Tab - 2 AD/B737/175\n\nInspection and Replacement of Engine and APU Fire Detection System AD/B737/176\n\nRudder Pedal Housing AD/B737/177\n\nMLG Support Beam Primary Support Pin AD/B737/178\n\nFuel Hose Quick Disconnect Coupling - CANCELLED AD/B737/179\n\nSpeedbrake Operation Limitation - 2 AD/B737/180 Amdt 1\n\nFlap Track Assembly and Rear Spar Attachments AD/B737/181\n\nElevator PCU Retention Bracket AD/B737/182\n\nFuselage Lap Joints AD/B737/183\n\nFuselage Lap Joint Repairs AD/B737/184\n\nAirframe Limit Cycle Oscillation AD/B737/185 Amdt 1\n\nAileron Tab Control Rod Barrel AD/B737/186\n\nCaptains Pitot Heater AD/B737/187\n\nMain Wheel Well Electrical Connectors AD/B737/188 Amdt 1\n\nRudder Feel and Centering Unit AD/B737/189\n\nCentre Tank Fuel Pump Limitations - CANCELLED AD/B737/190 Amdt 1\n\nStrut Insulation Blankets AD/B737/191\n\nElevator Tab Mast Fitting AD/B737/192 Amdt 1\n\nFlight Deck Emergency Windows AD/B737/193\n\nKeel Beam Structure AD/B737/194\n\nElevator Balance Panel Fasteners AD/B737/195\n\nElevator Power Control Unit Input Rods AD/B737/196\n\nFlight Control Modules - Replacement AD/B737/197 Amdt 2\n\nCentre Tank Fuel Pumps AD/B737/198\n\nAileron Transfer Mechanism Lower Bearing Support at First Officer Position AD/B737/199\n\nOutboard Mid-Flap Carriage Spindle AD/B737/200 Amdt 1\n\nRudder Control System AD/B737/201\n\nCentre Fuel Tank Limitations AD/B737/202\n\nPressure Fuelling System AD/B737/203\n\nWater Purifier - LBA STC TA0245 - CANCELLED AD/B737/204\n\nWater Purifier - JAA STC LBA.21E2.TA0307 - CANCELLED AD/B737/205\n\nWater Purifier - JAA STC LBA.21E2.TA0501 - CANCELLED AD/B737/206\n\nFuel Hose Coupling - Inspection AD/B737/207\n\nOxygen Masks AD/B737/208\n\nEngine Mount - Inspection AD/B737/209\n\n  \nElevator and Elevator Tab Assembly AD/B737/210\n\nForward Pressure Bulkhead - 2 AD/B737/211\n\nLanding Gear Parts/Records AD/B737/212\n\nFuselage Lap Joints AD/B737/213\n\nFuselage Skin Lap Joint - Fatigue Cracking AD/B737/214\n\nHydraulic Accumulator End Cap Separation AD/B737/215\n\nFlightcrew Oxygen Masks AD/B737/216\n\nReinforced Flight Deck Door Decompression Panel AD/B737/217\n\nWindshield Wipers AD/B737/218\n\nRudder Front Spar Flange Bolts AD/B737/219\n\nVideo Distribution Unit Connectors AD/B737/220\n\nPotable Water Pressure Relief Valve AD/B737/221\n\nForward Door Escape Slide Stowage Compartments AD/B737/222\n\nDoor Mounted Escape Slide Latch Block Assembly AD/B737/223 Amdt 1\n\nHorizontal Stabilisers Front and Rear Spar Attachment AD/B737/224 Amdt 1\n\nProximity Switch Electronics Unit AD/B737/225\n\nMain Fuel Tank Aft Fuel Boost Pump Wiring AD/B737/226\n\nElectrical Bonding AD/B737/227\n\nHoneywell Start Converter Unit AD/B737/228\n\nForward Lavatory Drain System AD/B737/229\n\nEngine Fire extinguisher Squib Firing Circuit AD/B737/230\n\nFuselage Upper and Lower Skin Panels AD/B737/231\n\nHorizontal Stabiliser Pivot Hinge Pins AD/B737/232\n\nCargo Restraint Strap Assemblies AD/B737/233\n\nPylon Sealing AD/B737/234\n\nFuselage Skin Area at the Dorsal Fin Assembly AD/B737/235","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"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The legislation performs exactly the administrative function described in its title — revocation and remaking of existing Airworthiness Directives. There is no expansion beyond this narrow, technical administrative purpose. The scope remains strictly limited to Boeing 737 series aircraft and strictly limited to maintaining existing regulatory requirements in a new legal form."},"complexity_factors":["Single operative provision with two straightforward actions (revoke and remake)","No substantive legal drafting — entire content is a schedule listing 235 AD titles and numbers","No defined terms, no conditional logic, no cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Extremely short operative text (approximately 100 words of actual legal instruction)","Schedule consists of simple tabular data (AD name and number) with no technical content embedded"],"plain_english_summary":"This CASA instrument (Dec 2004) is an administrative housekeeping move: it cancels a consolidated set of Boeing 737 Airworthiness Directives and immediately reissues each as 235 separate legal instruments to comply with the 1998 requirement that ADs be individual instruments. It makes no technical changes to obligations—airlines and maintenance organisations keep the same requirements but must cite the new individual ADs."},"flash_summary":{"complexity_score":5,"scope_assessment":{"changed":false,"description":"Scope not changed: the instrument revokes listed ADs and re‑issues them in the same form as the latest published editions, preserving existing obligations and technical requirements (see Note and Schedule 1)."},"complexity_factors":["Large volume of instruments listed in Schedule 1 increases administrative tracking and record‑keeping burdens for regulator and operators.","Mechanism is procedural (revocation and remaking) rather than substantive, but requires exact replication of the latest published editions (note in instrument).","Compliance obligations remain with varied parties (operators, owners, maintenance organisations), producing distributed administrative and cost impacts.","Decision made by a CASA delegate under subregulation 39.001(1) centralises authorising discretion for multiple instruments.","Version control risk: attachment of individually re‑made ADs must match the latest published editions to avoid inconsistency.","Potentially complex coordination where multiple ADs interact operationally, although this instrument does not change technical content."],"plain_english_summary":"This instrument, made by a CASA delegate under subregulation 39.001(1), revokes the Airworthiness Directives listed in Schedule 1 for Boeing 737 series aeroplanes and re‑issues each as a separate instrument in the identical form of the latest published edition. It affects Boeing 737 operators, owners, maintenance organisations and certificated personnel because those ADs carry mandatory inspection, modification and record‑keeping duties. The regulatory control and versioning are retained by CASA; compliance effort and costs remain with affected operators and maintainers."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-boeing-737-series-aeroplanes/documents"}}