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Lycoming Engines service bulletins

  1. SBLycoming SB 627Exhaust System Inspection2018-05-16CurrentManufacturer - not an FAA rule
  2. SBLycoming SL 253Warranty Repair of AVStar Fuel Systems, Inc. Fuel Control Products2018-04-15CurrentManufacturer - not an FAA rule
  3. SBLycoming SI 1437Engine Timing Marks2018-02-09CurrentManufacturer - not an FAA rule
  4. SBLycoming SI 1241Pre-Oiling Engine Prior to Initial Start2018-02-09CurrentManufacturer - not an FAA rule
  5. SBLycoming SI 1193Inspection in Event of Valve Failure2018-02-09CurrentManufacturer - not an FAA rule
  6. SBLycoming SI 1094Fuel Mixture Leaning Procedures2018-02-09CurrentManufacturer - not an FAA rule
  7. SBLycoming SB 553Crankshaft Inspection for Lycoming Six Cylinder Turbocharged Engines2018-02-09CurrentManufacturer - not an FAA rule
  8. SBLycoming SB 549Engine/Crankshaft Inspection2018-02-09CurrentManufacturer - not an FAA rule
  9. SBLycoming SB 482Crankshaft Flange Area Cracking2018-02-09CurrentManufacturer - not an FAA rule
  10. SBLycoming SB 183Magneto Timing Discrepancies2018-02-09CurrentManufacturer - not an FAA rule
  11. SBLycoming SI 1514Roller Tappets Part Information Update2018-02-04CurrentManufacturer - not an FAA rule
  12. SBLycoming SB 633Oil Level Gage (Dipstick) Replacement2017-12-19CurrentManufacturer - not an FAA rule
  13. SBLycoming SB 626AVStar Flow Divider (Lycoming Fuel Manifold) Inspection2017-12-19CurrentManufacturer - not an FAA rule
  14. SBLycoming SB 245Dynamic Counterweight System Detuning2017-08-22CurrentManufacturer - not an FAA rule
  15. SBLycoming SL 199Recommendations Regarding Use of Fuel2017-08-21CurrentManufacturer - not an FAA rule
  16. SBLycoming SL 197Recommendations to Avoid Valve Sticking2017-08-21CurrentManufacturer - not an FAA rule
  17. SBLycoming SL 192Spark Plug Fouling2017-08-21CurrentManufacturer - not an FAA rule
  18. SBLycoming SL 185The Use of Higher Octane Aviation Fuel, 100LL Blue or 100 Green, for Engines Rated for 80/87 Octane Fuel2017-08-21CurrentManufacturer - not an FAA rule
  19. SBLycoming SL 180Engine Preservation for Active and Stored Aircraft2017-08-21CurrentManufacturer - not an FAA rule
  20. SBLycoming SL 171General Aspects of Spectrometric Oil Analysis2017-08-21CurrentManufacturer - not an FAA rule
  21. SBLycoming SI 1505Cold Weather Starting2017-08-21CurrentManufacturer - not an FAA rule
  22. SBLycoming SI 1504Cylinder Assembly Replacement on O-235 Engines Operated Under DGAC Authority2017-08-21CurrentManufacturer - not an FAA rule
  23. SBLycoming SI 1503Accessory Drive Gear and Shaft Dowel Replacement2017-08-21CurrentManufacturer - not an FAA rule
  24. SBLycoming SI 1502Installation of Inverted Flow Divider2017-08-21CurrentManufacturer - not an FAA rule
  25. SBLycoming SI 1500Counterweight Roller Change for Robinson Helicopter2017-08-21CurrentManufacturer - not an FAA rule
  26. SBLycoming SI 1435Conversion from Constant Speed to Fixed Pitch Propeller and Vice Versa; Propeller Governor Oil Line Nut and Elbow2017-08-21CurrentManufacturer - not an FAA rule
  27. SBLycoming SI 1341Oil Pump Idler Shaft Lubrication2017-08-21CurrentManufacturer - not an FAA rule
  28. SBLycoming SI 1191Cylinder Compression2017-08-21CurrentManufacturer - not an FAA rule
  29. SBLycoming SI 1187Turbocharger Density Controller Adjustment2017-08-21CurrentManufacturer - not an FAA rule
  30. SBLycoming SI 1047Inspection and Reconditioning Procedures for Nitride Hardened Steel Cylinders2017-08-21CurrentManufacturer - not an FAA rule
  31. SBLycoming SB 554Crankshaft Gear Retaining Bolt Replacement2017-08-21CurrentManufacturer - not an FAA rule
  32. SBLycoming SB 545Oil Filler Tube Inspection-Replacement Kit Installation Modification2017-08-21CurrentManufacturer - not an FAA rule
  33. SBLycoming SB 529Reprint of Crane/Lear Romec Service Bulletin No. 101SB020, Rev. 32017-08-21CurrentManufacturer - not an FAA rule
  34. SBLycoming SB 505Inspection of Crankshaft I.D. for Corrosion2017-08-21CurrentManufacturer - not an FAA rule
  35. SBLycoming SB 1Crankshaft Replacement in Lycoming TIO and LTIO-540 Engines Rated at 300 Horsepower and Higher2017-08-21CurrentManufacturer - not an FAA rule
  36. SBLycoming SB 547Connecting Rod Bearing Replacement on TIO-540-AE2A Model Engines2017-08-15CurrentManufacturer - not an FAA rule
  37. SBLycoming SB 524Replacement of Oil Pump Impellers Sintered Iron and Aluminum2017-08-15CurrentManufacturer - not an FAA rule
  38. SBLycoming SI 1029Tightening Procedures for Crankcase Thru-Studs and Bolts2017-08-04CurrentManufacturer - not an FAA rule
  39. SBLycoming SB 632Identification of Connecting Rods with Non-Conforming Small End Bushings2017-08-03CurrentManufacturer - not an FAA rule
  40. SBLycoming SI 1285Non-Destructive Testing of Lycoming Engine Parts2017-07-19CurrentManufacturer - not an FAA rule
  41. SBLycoming SB 480FOil Servicing, Metallic Solids Identification After Oil Servicing, and Associated Corrective Action2017-05-25CurrentManufacturer - not an FAA rule
  42. SBLycoming SB 480Oil Servicing, Metallic Solids Identification After Oil Servicing, and Associated Corrective Action2017-05-24CurrentManufacturer - not an FAA rule
  43. SBLycoming SB 401Recommended Guidance After a Lightning Strike2017-05-24CurrentManufacturer - not an FAA rule
  44. SBLycoming SI 1425Suggested Maintenance Procedures to Reduce the Possibility of Valve Sticking2017-05-08CurrentManufacturer - not an FAA rule
  45. SBLycoming SB 552Crankshaft Replacement in Lycoming TIO and LTIO-540 Engines Rated at 300 Horsepower and Higher2017-05-08CurrentManufacturer - not an FAA rule
  46. SBLycoming SI 1565Replacement Thermostatic Oil Cooler Bypass Valves2017-05-03CurrentManufacturer - not an FAA rule
  47. SBLycoming SL 270Extended Maintenance Intervals for Spark-Ignited Engines Operated on Unleaded Fuels2017-04-07CurrentManufacturer - not an FAA rule
  48. SBLycoming SL 271How to Access Lycoming Digital Technical Publications2017-02-15CurrentManufacturer - not an FAA rule
  49. SBLycoming SB 539Reprint of Crane/Lear Romec Service Bulletins No. RG9080-73-001, No. RG9570-73-001, and No. RG17980-73-0012016-09-21CurrentManufacturer - not an FAA rule
  50. SBLycoming SB 516Inspection and Removal of TCM and Bendix S-20 and S-1200 Series Impulse Coupling Magnetos2016-09-08CurrentManufacturer - not an FAA rule
  51. SBLycoming SB 518Inspection of Thermostatic Oil Cooler Bypass Valves2016-08-16CurrentManufacturer - not an FAA rule
  52. SBLycoming SI 1008Installation of Thermostatic Oil Cooler Bypass Valve2016-07-21CurrentManufacturer - not an FAA rule
  53. SBLycoming SI 1506Replacement of Impulse Coupling Magnetos on Four-Cylinder Engines2016-06-28CurrentManufacturer - not an FAA rule
  54. SBLycoming SI 1408Engine Mounting Bracket Replacement2016-06-17CurrentManufacturer - not an FAA rule
  55. SBLycoming SB 624Reprint of Hartzell Engine Technologies (HET) Service Bulletin SB-0652016-06-17CurrentManufacturer - not an FAA rule
  56. SBLycoming SB 366Carburetor Throttle Body Screw Inspection2016-06-02CurrentManufacturer - not an FAA rule
  57. SBLycoming SI 1397Overflow Oil from Breather Fitting of Inverted Oil System2016-06-01CurrentManufacturer - not an FAA rule
  58. SBLycoming SL 255Approved Diaphragm-Type Fuel Pump2016-05-13CurrentManufacturer - not an FAA rule
  59. SBLycoming SI 1423Thermostatic Oil Cooler Bypass Valve Part Number2016-05-13CurrentManufacturer - not an FAA rule
  60. SBLycoming SI 1301Identification of Primer and Fuel Injector Lines2016-05-13CurrentManufacturer - not an FAA rule
  61. SBLycoming SI 1255Thermostatic Oil Cooler Valve Replacement2016-05-13CurrentManufacturer - not an FAA rule
  62. SBLycoming SB 612Oil Level Gage Replacement2016-04-05CurrentManufacturer - not an FAA rule
  63. SBLycoming SI 1523Lycoming Engines’ Carburetor Manufacturer Cross-References2016-03-16CurrentManufacturer - not an FAA rule
  64. SBLycoming SI 1566Lycoming Engines Approves the Use of Safety Cable2016-03-10CurrentManufacturer - not an FAA rule
  65. SBLycoming SI 1560Propeller Governor Drive Set Screw Inspection2016-03-10CurrentManufacturer - not an FAA rule
  66. SBLycoming SB 623Reprint of Hartzell Engine Technologies2016-02-03CurrentManufacturer - not an FAA rule
  67. SBLycoming SB 625Alternator Fan Backplate2016-02-02CurrentManufacturer - not an FAA rule
  68. SBLycoming SL 264Engine Start Problems Due to Drift in Magneto-to-Engine Timing Reprint of Champion Slick Magneto Service Letter 4300/6300-74-20-001, dated February 18, 2015.2016-01-27CurrentManufacturer - not an FAA rule
  69. SBLycoming SI 1059Pre-Lubrication of Parts Before Assembly2016-01-27CurrentManufacturer - not an FAA rule
  70. SBLycoming SB 411Adapter Kit for Magneto Isolation Drive2015-10-30CurrentManufacturer - not an FAA rule
  71. SBLycoming SB 621Diaphragm-Type Fuel Pump Replacement2015-10-05CurrentManufacturer - not an FAA rule
  72. SBLycoming SI 1526New Piston Part Numbers2015-07-24CurrentManufacturer - not an FAA rule
  73. SBLycoming SB 619Hardness Check for Rocker Arm, Part Number LW-150142015-04-09CurrentManufacturer - not an FAA rule
  74. SBLycoming SL 263Discolored Paint on Cylinder2015-03-11CurrentManufacturer - not an FAA rule
  75. SBLycoming SL 262New Piston Ring Part Numbers2014-12-31CurrentManufacturer - not an FAA rule
  76. SBLycoming SI 1559Adjusting Fuel Pressure on AN-Drive Type Fuel Pumps2014-11-26CurrentManufacturer - not an FAA rule
  77. SBLycoming SB 614Exhaust System Inspection and Turbocharger Mounting Bracket Replacement2014-10-10CurrentManufacturer - not an FAA rule
  78. SBLycoming SI 1406Crankcase Parts for Use with Large-Diameter Hydraulic Lifters2014-09-09CurrentManufacturer - not an FAA rule
  79. SBLycoming SI 1562Turbocharged Exhaust System Installation2014-06-05CurrentManufacturer - not an FAA rule
  80. SBLycoming SI 1141Replacement of Worn Starter Ring Gears2014-05-09CurrentManufacturer - not an FAA rule
  81. SBLycoming SI 1554Zip Strap Replacement2014-05-07CurrentManufacturer - not an FAA rule
  82. SBLycoming SL 261Alternate Carburetor2014-04-23CurrentManufacturer - not an FAA rule
  83. SBLycoming SI 1558New Piston Ring Part Numbers2014-03-21CurrentManufacturer - not an FAA rule
  84. SBLycoming SB 613Compliance with Hartzell Engine Technologies (HET), LLC (Previously Kelly Aerospace) Alert Service Bulletin No. 057 dated 2/11/14, Turbocharger Back Plate Assembly P/N 406795­0058 Replacement2014-03-06CurrentManufacturer - not an FAA rule
  85. SBLycoming SB 606Correction of Engine Data Plate on IO-540-AE1A5 Engines2014-02-13CurrentManufacturer - not an FAA rule
  86. SBLycoming SB 608Replacement of Hartzell Engine Technologies' Fuel Pump Assemblies2014-02-06CurrentManufacturer - not an FAA rule
  87. SBLycoming SL 259Product Improvements on Lycoming Carburetor P/N 61C260512014-01-23CurrentManufacturer - not an FAA rule
  88. SBLycoming SL 258Part Number Supersedure for External Retaining Ring2013-08-27CurrentManufacturer - not an FAA rule
  89. SBLycoming SL 254Lycoming Model Designation for all Carburetors2013-04-15CurrentManufacturer - not an FAA rule
  90. SBLycoming SB 201Inspection of Crankshaft Flange2013-03-26CurrentManufacturer - not an FAA rule
  91. SBLycoming SI 1Rocker Arm Assembly Replacement Parts Supplement 12013-03-19CurrentManufacturer - not an FAA rule
  92. SBLycoming SB 604Compliance with Hartzell Engine Technologies, LLC Alert Service Bulletin No. 048 dated 11/16/2012, Turbocharger model TAO411, P/N 410188-0019 Turbine Wheel Replacement2012-11-21CurrentManufacturer - not an FAA rule
  93. SBLycoming SI 1546Specific Requirements for Installation and Removal of Electrical Lead on Hartzell Engine Technologies, LLC Starters2012-10-04CurrentManufacturer - not an FAA rule
  94. SBLycoming SB 603Reprint of Slick Service Bulletin SB1­-122012-10-04CurrentManufacturer - not an FAA rule
  95. SBLycoming SI 1545Expanded Clearance in Crankcase Nose2012-10-02CurrentManufacturer - not an FAA rule
  96. SBLycoming SI 1549Notification of Approved Fuel Pump Plunger P/N 23D267772012-06-27CurrentManufacturer - not an FAA rule
  97. SBLycoming SI 1256Valve Guides For Service Use2012-04-05CurrentManufacturer - not an FAA rule
  98. SBLycoming SB 599Compliance with Hartzell Engine Technologies, LLC Service Bulletin No. 045, 201F Fuel Pump Inspection and Recall2012-03-14CurrentManufacturer - not an FAA rule
  99. SBLycoming SB 602Incorrect Part Numbers on Service Instruction No. 1098G2012-03-08CurrentManufacturer - not an FAA rule
  100. SBLycoming SI 1458Connecting Rod Bolts2012-03-06CurrentManufacturer - not an FAA rule

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