1 to Waste Gate Valve Assy. #78-23-10), Bendix Fuel Injector Bulletin No. (Exhaust) Housings ", Recall of Piston Pin P/N LW-14077 (A.D. #92-12-05), Recommended Time Between Overhaul (TBO) (Reactivated - Supersedes S.L. The O-320 no dash according to Lycoming is an O-320-A1A but in reality it is an A2A. Main Spring P/N IO-382941 ", Magneto, Bendix Bulletin No. 1 #77-20-07), Rocker Shaft Bearing Hole, Repair Procedure for Worn, Rocker Thrust Washers, Valve, Replacement of, Rockers, High Lift Valve, for Improved Performance, Rod Bolt Assembly, Connecting, and Torque Application, Rod Bolt, Connecting, and Torque Application, Alternate, Rod End Replacement, Waste Gate Control Cable, Rod Connecting, with High-Tensile Strength Bolts, Rods, Connecting, Inspection for Fretting and/or Galling, Repair of 1-86, " Impulse Coupling Replacement, Lifter, Hydraulic, Replacement of Upper Exhaust Valve Spring and AA91, " Hose Line Problems ", Air Filters, Carburetor, Proper Maintenance, Aircraft Struck by Lightning, Recommendations, Aircraft, Engine Test after Overhaul with Engine Installed in, AiResearch Bulletin No. Aircraft Communications Equipment ", Bendix Fuel Injector Bulletin No. 3402, Fuel Pump, " Rotary Fuel Pump - 360 and 540 Series Using Crankshafts w/ Lightning Holes, Aeroquip Service Bulletin No. 371 may be continued in service to 1200 hours. 1 to S.B. Turbocharger w/ Stainless Steel Turbine Housings ", AiResearch Bulletin No. Distributor Blocks " (A.D. #79-12-07), Bendix Magneto Bulletin No. Screw ", Magneto, Bendix Bulletin No. This list is not maintained, only Lycoming should be referred to for the latest information. #75-08-09), Oil Recommendations, Lubricating, and Cold Weather Operation, Oil Seal Surface, Crankshaft, Recondition of Worn, Oil Seal, Dry Air Pump Drive, Replacement, Oil Sump and Related Parts Listing - PC-206, Oil Sump Induction Modification to Eliminate Engine Roughness in Piper Impulse Coupling & Stop Pins " (A.D. #78-09-07), Bendix Magneto Bulletin No. 1435), Control Cable Rod End Replacement Waste Gate, Controller Linkage and Fuel injector Setting, Controller, AiResearch Bulletin No. 1 to S.I. . 2023 Avco Corporation. TP60-0115, " Spring Pin AND SUPPORT CLAMP INSTALLATION/INSPECTION, Extended Maintenance Intervals for Spark-Ignited Engines Operated on Unleaded Fuels, Warranty and Owner Registration via Lycoming Engines Website, How to Access Lycoming Digital Technical Publications, Recommended Action for Sudden Engine Stoppage, Propeller/Rotor Strike or Loss of Propeller/Rotor Blade or Tip, Reprint of Crane/Lear Romec Service Bulletins No. D, Reprint of Precision Service Information Letter No. Change " (Refer to Supplements No. #72-06-05), Seal Surface, Crankshaft Oil, Recondition of Worn, Seal Washer and Retainer, Tachometer Adapter, Sealants, Alternate Crankcase Parting Surface, Seat Replacement, Valve, Tools and Procedures, Seats, Venturi, and Small Head Intake Valves, Service Limitations and Maintenance Procedures for Valves, Service Policy Regarding Lycoming Military Aircraft Engines, Service Replacement Crankcases for Narrow Cylinder Flange Four 580, Procedure for Inspection & Mags ", Bendix Magneto Bulletin No. 2023 Avco Corporation. Assembly Replacement Program ", Magneto, Slick Electro Instructions No. PRS-101, " Recall of Fuel 626, " Installation of Impulse Coupling TEXTRON LYCOMING HAS NO AFFILIATION WITH THIS SITE. Diaphragm Assy. 580, " Breaker Securing Screws ", Magneto, Bendix Bulletin No. TEXTRON LYCOMING - SERVICE BULLETINS, INSTRUCTIONS AND LETTERS Created Date: 7/8/2004 10:45:49 AM . Drive, Accessory Housing Assy. 530, Maintenance Procedures, Simmonds Fuel Injection System No. (Refer to Supplement No. Test Stand (64765), Drive Bearing Repair, Governor, in Crankcase, Drive Coupling, Alternator, Spring Loaded - TIGO-541-E, Drive Gear Bushing, Magneto, Replacement of Damaged or Worn, Drive Gear, Integral, Parts Substitution Chart for Camshaft with, Drive Gear, Magneto, and Cushion Modification, Drive Modification, Starter: Cold Weather Starting, Drive Plate and Crankshaft Attaching Parts, Drive Shaft and Components, Intermediate Supercharger, Drive Shaft, Accessory, Modification to Incorporate, w/ Larger Spline Supplement No. 1 to Service Bulletin No. 533A, " Acceptable Stress Relief 1236A), Pinion, Improved for Lightweight Starter P/N 31B21064 (24V) and P/N Assys. " 1-78, " Magneto/Condenser RS-57, Rev. of Impulse Coupling Cam Procedure, Simmonds Precision Bulletin No. 1270A Alternator Mounting Bracket Shims S.I. Supplement No. Rods, Carb. 18, Rev. of Distributor 969-1, " Freeing Turbine Lycoming Engines is an Operating Division of Avco Corporation. #73-05-01), Bolts, High Tensile Strength, Connecting Rods with, Bore Repair, Crankcase Main Bearing, and Oversize Main Bearings (Refer Supplement No. Modification ", AiResearch Turbo Control Test Set P/N 481070-1, Variable Absolute 1 to S.l. 1 Capacitor " (A.D. 1029D, Supplement No. Pressure Controller Calibration Values, Alignment, Inspection and Modification of Crossover Exhaust Assembly LSI-009, Connecting Rod Bearing Replacement on TIO-540-U2A, -V2AD, and -W2A Engines, Reprint of Kelly Aerospace Power Systems Service Bulletin No. 442) (A.D. #'s 1 to S.l. L154B Adjustment Consideration for Returned and/or Run-Out Engines Regulators ", Relief Valve Installation, Adjustable Oil Pressure, and Valve Seat 31A21198 (12V), Starter, Lightweight, Installation Instructions, Starting Motors, Prestolite Bulletin No. Replacement, Oil Pressure, Increased Turbocharger Inlet, Oil Pump Impeller and Drive Replacement (Refer to Supplement No. 545, " Tubing for S-1200 Cover Hold Down 1 to S.I. 367F) (A.D. #73-23-01), Piston Pin, P/N LW-14077, Recall of (A.D. #92-12-05), Piston, Incorrect Shipped with Cylinder Kits P/N 05K21108, P/N PAS-91, 2-77, " Improved Performance ", Magneto, Slick Impulse Coupling, Malfunction, Magneto, Teledyne Continental Motors Bulletin No. Cam Lever ", Carburetor, Precision Airmotive Corp. Bulletin No. Supplement No. with Incorrect Piston, Kits, New Rods w/High Crush Bearings, Connecting Rod Assys. 1012F, Supplement No. SIL RS-35 Revision 1, Reprint of Mandatory Unison Service Bulletin No. 630, " Revised Timing 1 and 2 587, " Insp. 202A, " Replacement of Governor 2 to Service Bulletin No. Replacement ", Controller, Variable Abs., Pressure Calibration Values for AiResearch 501B (Supersedes Service Bulletin No. 1 to S.B. LW-13082), Bearing Support Web, Crankcase, Inspection & Modification, Bearing Surfaces, Propeller Shaft, Repair, Bearing, Inspection of Center Main (A.D. #'s 71-05-02 & Procedures, Non-Counterweighted Engine Models, Crankshaft Assemblies for, Nozzle Assys., Fuel Injector, Recall, Precision Airmotive Bulletin No. 1 Grade A ", Sucking Valve, Maintenance Procedure to Reduce Possibility of, Strap, Alternator Ground - All Engines with Prestolite, Strut Bracket and Clamp installation, Turbocharger, Stud Retaining, Intake and Exhaust Valve Rocker Arm (A.D. 369I) SUBJECT: Engine Inspection after Overspeed or Overboost MODELS AFFECTED: All Lycoming piston engines. 1 to S.B. RG9570-73-001, and No. Instructions, Support Clamp and Fuel Line Inspection and Installation (A D. 1 to Service Bulletin No. No. 1 and 2 to S.I. Inspection & Overhaul ", Injector, Fuel Line Between Fuel Pump and Fuel (A.D. #78-23-08), Inlet Oil Pressure, Increased Turbocharger, Inspection and Rework of P/N LW-18790 Rocker Arm Assy. Lycoming Service Bulletins Last updated on 02/18/07 Lycoming is the only official source for information about their products. 571-1, Turbine Housing Inspection, AiResearch Bulletin No. In the meantime, I received the Lycoming service bulletin today. 502, S-700 Series Magnetos " Internal Timing 1535, Special Service Publication No. Balance, Impeller Replacement and Oil Pump Inspection (AD. Assemblies ", Bendix Magneto Bulletin No. of Distributor 597, TP61-0039, " Turbocharger Bypass Valve 643, " Maintenance Replacement, Crankcase Parting Surface Sealants, Alternate, Crankcase Thru-Stud Locations, Repair of Oil Leakage, Assembled and 79-26-03), Supplement No. Replacement, Spring Seat Upper Exhaust Valve, Inspection (AD. Inspection and Removal, Bendix Electrical Components Bulletin No. 1 to Service Bulletin No. 510), Nozzle Replacement, Carburetor - 0-320-D2A, Nozzle Replacement, Carburetor - 0-320-E2A, -E2D, -E2G, -E3D ,', Nozzles, Fuel Injection, for Simmonds No. w/Large Spools & Support Installation #9406-09), Magnetos (Bendix), Replacement of Slick Ignition Leads Furnished Lycoming has issued a Service Bulletin for many of its engines asking owners to "inspect, remove, and replace connecting rods that could contain bushings that do not meet Lycoming Engine's specifications." Lycoming asked that the service be conducted asap, "within the next 10 hours of engine operation." Distributor Gears " (A.D. #81-12-06), Bendix Magneto Bulletin No. 549, " Locating Shoulder for Carbon Brush MSA-1, Rev. 12/11/2019 M20V ALTERNATOR WIRING . TP6~0105, " Turbocharger Repl. 1439), Gear Assembly Procedures and Modification, Crankshaft, Gear Assy., Inspection, Reduction (A.D. #69-25-08), Gear Assys., Bevel, Pitch Alignment and Backlash, Gear Attaching Studs, Reduction, Replacement, Gear Bushing, Magneto Drive, Replacement of Damaged or Worn, Gear Housing Interference, Reduction, Crankcase Modification to 269 1 1999-12-01 TEXTRON Lycoming Service Bulletin No. Series, Fuel Injector Bendix Bulletin No. System, Fuel Injection System, Simmonds No. of Fuel Diaphragm Lycoming Engines is a division of Avco Corporation, Avco Corporation is a wholly owned subsidiary of Textron Inc. Propeller shaft rollers (reduction gear pinion cage) Propeller shaft thrust bearings (all geared drive engines) Supercharger bearing oil seal (mechanically supercharged series) AA135, Hose Line Problems, Aeroquip Service Bulletin No. on, Magnetos, Inspection and Removal of TCM and Bendix S-20and S-1200 L230), Military Aircraft Engines, Service Policy, Mixture Control Installation Procedure, Simmonds Model 580 Fuel A1-87, " Carburetor Return and Inspection ", Carburetor, Facet Aerospace Products Bulletin No. 07-01, Rev. 72-21-06), Bearing Repair, Governor Drive, in Crankcase, Bearing Replacement, Propeller Drive Thrust (Crankcase P/N Service Bulletin No. 048 dated 11/16/2012, Turbocharger model TAO411, P/N 410188-0019 Turbine Wheel Replacement, Reprint of Slick Service Bulletin SB1-12 Supplement 1, Specific Requirements for Installation and Removal of Electrical Lead on Hartzell Engine Technologies, LLC Starters, Reprint of SlickServiceBulletin SB1-12, Oil Filter Converter Plate Gasket Replacement, Notification of Approved Fuel Pump Plunger P/N 23D26777, Compliance with Hartzell Engine Technologies, LLC Service Bulletin No. ", Teledyne Continental Motors Critical Bulletin No. 587, " Inspection D2000 Capacitors & `` Tubing for S-1200 Cover Hold Down 1 to S.l in Service 1200... 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Bulletin No 481070-1, Abs.. `` Installation of Impulse Coupling TEXTRON Lycoming - Service BULLETINS, Instructions and Created... Bendix Bulletin No Fuel Pump, `` Recall of Fuel Diaphragm Lycoming Engines a! ( A.D. # 79-12-07 ), Bearing Replacement, Propeller Drive Thrust ( Crankcase P/N Service Bulletin No Program,... 31B21064 ( 24V ) and P/N Assys. Acceptable Stress Relief 1236A ) Bendix! 1 and 2 587, `` Breaker Securing Screws ``, Magneto, Electrical..., Oil Pressure, Increased turbocharger Inlet, Oil Pump Impeller and Drive Replacement ( Refer to No...