R66 Service Letters
Number | Subject | Date |
---|---|---|
R66 SL-45C Supersedes SL-45B | Symmetrical Horizontal Stabilizer Retrofit Kit | 18 MAR 2024 |
R66 SL-44 | Cockpit Camera Firmware (Software) Update | 23 JUN 2023 |
R66 SL-43 | Tail Rotor Static Balance Equivalent Tool | 16 MAR 2023 |
R66 SL-42 | Rolls-Royce RR300 Engine 2000-hour Preventative Maintenance Interval (PMI) Options | 30 JUN 2021 |
R66 SL-41 Supersedes R66 SL-34 & SL-34A | Erratic N1 Indication/EMU Recordings | 30 JUN 2021 |
R66 SL-40A Supersedes R66 SL-40 | Tail Rotor Blade Condition and Care | 03 JUN 2022 |
R66 SL-39 | ELT Security | 30 JUN 2021 |
R66 SL-38 | A462-4 Fitting Attachments | 30 JUN 2021 |
R66 SL-37 | Main Rotor Blade Unpainted Leading Edge Care | 13 NOV 2020 |
R66 SL-36 | Firewall Drain Tube | 21 AUG 2020 |
R66 SL-35B Supersedes R66 SL-35A | RHC Instructions for Continued Airworthiness (ICA) Digital Updates | 24 MAR 2023 |
R66 SL-34A Superseded by R66 SL-41 | Engine Harness N1 Connector | 21 AUG 2020 |
R66 SL-33 | Inspection After Stabilizer Damage | 11 MAR 2020 |
R66 SL-32 | Kannad ELT Service Bulletin | 11 MAR 2020 |
R66 SL-31 | RR300 Engine Corrosion Prevention | 02 DEC 2019 |
R66 SL-30 | Main Rotor Blade Tip Maintenance | 29 JUL 2019 |
R66 SL-29 | C627-6 Five-point Harness Assembly Lower Strap | 22 MAR 2019 |
R66 SL-28 | Main Rotor Gearbox Internal Visual Inspection | 05 NOV 2018 |
R66 SL-27 | Lithium-Ion Battery Transient Voltage Drop | 05 NOV 2018 |
R66 SL-26B Superseded by R66 SB-36 | Main Rotor Blade Tip Plate Permanent Removal | 29 JUL 2019 |
R66 SL-25C Supersedes R66 SL-25B | Component Maintenance Course | 04 DEC 2023 |
R66 SL-24 | F642 Shaft (Engine-to-Main Gearbox) Upgrade | 20 DEC 2017 |
R66 SL-23A Supersedes R66 SL-23 | Fire Extinguisher Handling and Maintenance | 20 DEC 2017 |
R66 SL-22 | R66 Marine Skid Extension Kit | 21 JUL 2017 |
R66 SL-21 | Revised Instrument Marking Metric Decals | 06 JUN 2017 |
R66 SL-20 | C258-5 Pitch Link Assembly | 30 JAN 2017 |
R66 SL-19A Supersedes R66 SL-19 | Avionics Software | 20 DEC 2017 |
R66 SL-18 | PTG Beep Rigging | 07 NOV 2016 |
R66 SL-17 | Genesys Aerosystems (Autopilot) Service Letter | 07 NOV 2016 |
R66 SL-16 | Garmin G500H EFIS Air Temperature Probe Relocation | 07 NOV 2016 |
R66 SL-15 | Main Rotor Blade Tip Fasteners | 07 NOV 2016 |
R66 SL-14 Supersedes R66 SB-20A | Heater Line Spirap Insulation | 14 JUN 2016 |
R66 SL-13 | Inhibited Glideslope Reception | 14 JUN 2016 |
R66 SL-12 | Altimeters | 04 APR 2016 |
R66 SL-11 | Main Gearbox Upgrade Ref. Addendum for R66 Service Letter SL-11 | 15 SEP 2015 |
R66 SL-10A Supersedes R66 SL-10 | B526 (TORX Plus®) Truss Head Screws | 07 NOV 2016 |
R66 SL-09 | D210 Corrosion-Resistant (CRES) Nuts | 13 OCT 2014 |
R66 SL-08 | EASA Registration Requirements | 09 MAY 2014 |
R66 SL-07 | Deleted Safety Wire | 03 JUL 2013 |
R66 SL-06 | Damper Assembly | 21 DEC 2012 |
R66 SL-05 | Kannad ELT Service Bulletin Ref. Kannad ELT Service Bulletin S1820514-25-04 | 19 JUL 2012 |
R66 SL-04 | Center Rear Seat Decal | 29 MAY 2012 |
R66 SL-03A Superseded by R66 SB-05B | Clutch Assembly Retaining Bolt Replacement | 30 SEP 2011 |
R66 SL-02 | Baggage Door Seals Kit | 07 SEP 2011 |
R66 SL-01 | Cracked MS21042L-series Nuts | 18 AUG 2011 |