What it covers
The system which ensures distribution of mechanical or electrical power to the rotor servo-control system. Includes systems used to monitor and indicate operation of the servo control system. Typical parts are pressure relief valves, electro valves, check valves, accumulators, etc.
Service difficulty reports · 647
Reports filed under 6730, newest first.
| 1995 | 66 |
|---|---|
| 1996 | 56 |
| 1997 | 56 |
| 1998 | 27 |
| 1999 | 48 |
| 2000 | 19 |
| 2001 | 51 |
| 2002 | 51 |
| 2003 | 62 |
| 2004 | 29 |
| 2005 | 18 |
| 2006 | 25 |
| 2007 | 14 |
| 2008 | 12 |
| 2009 | 10 |
| 2010 | 7 |
| 2011 | 10 |
| 2012 | 21 |
| 2013 | 14 |
| 2014 | 7 |
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 18 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 2 |
SDR 454A260420151853Spring · overtorquedDURING CLIMBOUT, LOUD BRIEF BUZZING NOISE HEARD. CREW STARTED SMELLING A CHARRING SMELL. CHARRING SMELL INCREASED WHILE ON THE GROUND. MAINTENANCE CREW TROUBLESHOT. EXTERNAL HYDRO POWER WAS APPLIED TO ATTEMPT TO IDENTIFY THE SERVO. COULD NOT REPLICATE THE CHARSDR PN1R202602200002Servo Control · leakingDURING INSPECTION FOUND RIGHT HAND MAIN ROTOR SERVO HAS STATIC LEAK. REPLACED SERVO.SDR QR9R2023032200001Actuator · illuminatedDURING FLIGHT THE ACTUATOR MASTER CAUTION ILLUMINATED. AIRCRAFT STARTED TO EXPERIENCE HEADING/TRIM ANOMALIES. FLIGHT CONTROLS ALSO BECAME INCREASINGLY SLUGGISH. DURING TEST FLIGHT EVAL, 35 MINUTES INTO FLIGHT, ACTUATOR ILLUMINATED ON CAD. PFD DISPLAYED A YAW A
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