R66 Service Letters

NumberSubjectDate
R66 SL-03A
Superseded by R66 SB-05B
Clutch Assembly Retaining Bolt Replacement30 SEP 2011
R66 SL-20C258-5 Pitch Link Assembly30 JAN 2017
R66 SL-19Avionics Software07 NOV 2016
R66 SL-18PTG Beep Rigging07 NOV 2016
R66 SL-17Genesys Aerosystems (Autopilot) Service Letter07 NOV 2016
R66 SL-16Garmin G500H EFIS Air Temperature Probe Relocation07 NOV 2016
R66 SL-15Main Rotor Blade Tip Fasteners07 NOV 2016
R66 SL-14Heater Line Spirap Insulation14 JUN 2016
R66 SL-13Inhibited Glideslope Reception14 JUN 2016
R66 SL-12Altimeters04 APR 2016
R66 SL-11Main Gearbox Upgrade
Ref. Addendum for R66 Service Letter SL-11
15 SEP 2015
R66 SL-10A
Supersedes R66 SL-10
B526 (TORX PlusĀ®) Truss Head Screws07 NOV 2016
R66 SL-09D210 Corrosion-Resistant (CRES) Nuts13 OCT 2014
R66 SL-08EASA Registration Requirements09 MAY 2014
R66 SL-07Deleted Safety Wire03 JUL 2013
R66 SL-06Damper Assembly
21 DEC 2012
R66 SL-05Kannad ELT Service Bulletin
Ref. Kannad ELT Service Bulletin S1820514-25-04
19 JUL 2012
R66 SL-04Center Rear Seat Decal29 MAY 2012
R66 SL-02Baggage Door Seals Kit07 SEP 2011
R66 SL-01Cracked MS21042L-series Nuts18 AUG 2011