R66 Service Bulletins
Number | Subject | Date |
---|---|---|
R66 SB-42 | Auxiliary Fuel Flow Sensor Circuit | 23 JAN 2024 |
R66 SB-41 Ref. Tail Rotor Blade Replacement Policy | Tail Rotor Blade Inspection and Replacement | 22 DEC 2022 |
R66 SB-40 Ref. AD 2022-19-12 | F029-1 Tail Rotor Blade Cracks Ref. Maintenance Record Appendix for AD | 06 JAN 2022 |
R66 SB-39 | Hydraulic Controls Pre-Takeoff Check Ref. Hydraulic Controls Pre-Takeoff Check Tutorial Video | 30 JUN 2021 |
R66 SB-38A Supersedes R66 SB-38 | F018-1 Clutch Assembly | 23 OCT 2020 |
R66 SB-37 | HeliSAS Autopilot Interface with Garmin PFD | 21 AUG 2020 |
R66 SB-36 Supersedes R66 SL-26B | Main Rotor Blade Tip Plate Permanent Removal & Sealant Application | 02 DEC 2019 |
R66 SB-35A Supersedes R66 SB-35 | Chin Inspection Hole and Access Cover | 11 MAR 2020 |
R66 SB-34 | HeliSAS Flight Control Computer Ref. S-TEC Service Letter SL 19-011 | 12 AUG 2019 |
R66 SB-33 Supersedes R66 SB-29 | Modified Pop-out Float Stabilizer | 29 JUL 2019 |
R66 SB-32 | Lithium-Ion Battery Sense Wire | 29 JUL 2019 |
R66 SB-31 | Battery Compartment Stiffener | 29 JUL 2019 |
R66 SB-30 | Lubrication of Swashplate Bearings | 29 JUL 2019 |
R66 SB-29 Superseded by R66 SB-33 | Pop-out Floats Stabilizer | 29 MAR 2019 |
R66 SB-28 Supersedes R66 SB-26 | B237 Lead-acid Batteries | 06 MAR 2019 |
R66 SB-27 | Drain Holes for Auxiliary Fuel Tank | 05 NOV 2018 |
R66 SB-26 Superseded by R66 SB-28 | B237 Lead-acid Batteries Leaking Electrolyte | 05 NOV 2018 |
R66 SB-25 | G655-3 Air Conditioning Time Delay Assembly | 05 NOV 2018 |
R66 SB-24 | Auxiliary Fuel System Relay | 05 NOV 2018 |
R66 SB-23 | Rod Ends for F174-1 Engine Support Weldment | 26 JUN 2018 |
R66 SB-22A Supersedes R66 SB-22 | Horizontal Stabilizer Nutplates | 21 JUL 2017 |
R66 SB-21A Supersedes R66 SB-21 Ref. AD 2019-07-02 | Oil Tank Outlet Modificatioin | 06 JUN 2017 |
R66 SB-20B Supersedes R66 SB-14 and R66 SB-20A Ref. AD 2021-04-12 | Tail Rotor Drive Shaft Bearings | 20 DEC 2017 |
R66 SB-19 | Revised Instrument Markings | 07 NOV 2016 |
R66 SB-18A Supersedes R66 SB-18 | MRGB Output Yoke Retaining Plug | 20 JUN 2016 |
R66 SB-17A Supersedes R66 SB-17 | F642-1 Shaft Replacement | 07 NOV 2016 |
R66 SB-16 | “LOT 20” F642-1 Shaft Corrosion | 15 DEC 2015 |
R66 SB-15 | G500H Wire Chafe | 15 DEC 2015 |
R66 SB-14 Superseded by R66 SB-20B and R66 SB-20A | Tail Rotor Drive Shaft Forward Bearing | 25 JUN 2015 |
R66 SB-13 Ref. AD 2016-26-04 | Main Rotor Blade Modification Ref. Main Rotor Blade Modification Tutorial Video Ref. MSDSs and Technical Data Sheets | 30 MAR 2015 |
R66 SB-12 | Landing Gear Attach Nuts | 08 DEC 2014 |
R66 SB-11 | Tail Gearbox Sight Gage | 08 DEC 2014 |
R66 SB-10 | Hanger Bearing Assembly | 21 NOV 2013 |
R66 SB-09 | Rotor RPM Sender Magnets | 03 JUL 2013 |
R66 SB-08 | Hydraulic Solenoid Diode | 03 JUL 2013 |
R66 SB-07 | Throttle Control Routing | 03 JUL 2013 |
R66 SB-06 | Fuel Switch Packing | 03 JUL 2013 |
R66 SB-05B Supersedes R66 SB-05, R66 SB-05A, and R66 SL-03A | Clutch Retaining Bolt | 21 DEC 2012 |
R66 SB-04 | Oil Cooling Fan Inlet Clearance | 29 MAY 2012 |
R66 SB-03 | Hydraulic Servos | 21 FEB 2012 |
R66 SB-02 | Placards and Markings | 27 OCT 2011 |
R66 SB-01 | D333-13 Fitting Lubrication | 26 APR 2011 |