What it covers
The component and parts which store and deliver an energy charge for propeller feathering and unfeathering. Includes the pump and associated motor, switch, circuitry and plumbing which provides the force for feathering the propeller blades for stopping the engine's rotation. Does not include propeller feathering system components which are coded in JASC code 6120, such as lever rod end, adjustment screw, solenoid, valves, etc. Typical parts are pump, motor, switch, accumulator, air valve, seal, etc.
Service difficulty reports · 919
Reports filed under 6123, newest first.
| 1995 | 24 |
|---|---|
| 1996 | 18 |
| 1997 | 35 |
| 1998 | 21 |
| 1999 | 19 |
| 2000 | 30 |
| 2001 | 30 |
| 2002 | 30 |
| 2003 | 24 |
| 2004 | 16 |
| 2005 | 32 |
| 2006 | 35 |
| 2007 | 42 |
| 2008 | 42 |
| 2009 | 62 |
| 2010 | 60 |
| 2011 | 110 |
| 2012 | 46 |
| 2013 | 41 |
| 2014 | 50 |
| 2015 | 33 |
| 2016 | 24 |
| 2017 | 29 |
| 2018 | 18 |
| 2019 | 19 |
| 2020 | 16 |
| 2021 | 9 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
SDR KY72026F00003Relay · faultedAUTO FEATHER AURAL WARNING ALERT ON TAKEOFF WITH AUTO FEATHER ON. REMOVED & REPLACED RELAY K0161 IAW EMB120 WM 20-20-00 OPS CHECK GOOD IAW EMB120 MM 61-23-20 WPB RTC CHECK GOOD.SDR O9IA20241015530LMPressure Switch · faultedFROM PILOTS REPORT THRU PRISM SMS: IN CRUISE AT 28,000 FT LEFT HAND ENGINE SEEMED TO WANT TO GO INTO FEATHER. HAPPENED TWO TIMES. DID A PRECAUTIONARY LANDING IN GALENA. SUSPECTED THE LOW PRESSURE SWITCH FOR AUTOFEATHER AFTER DEBREIF WITH THE PILOT. STATESDR QMLA2024100320128Feathering Sys · faultedDURING LANDING, THE RIGHT PROP ATTEMPTED TO FEATHER WITH THE AUTO FEATHER SYSTEM ON (AS THROTTLES WERE PULLED BACK FOR LANDING). PILOT SECURED THE AUTO FEATHER SYSTEM AND LANDED SAFELY. LOGBOOK ENTRY MADE AND TURNED AIRCRAFT OVER TO MAINT. ADJUSTED AUTO FEA
See all 919 reportsOther codes in chapter 61 · 12
6100Propeller System6110Propeller Assembly6111Propeller Blade Section6112Propeller Deice Boot Section6113Propeller Spinner Section6114Propeller Hub Section6120Propeller Controlling System6121Propeller Synchronizer Section6122Propeller Governor6130Propeller Braking6140Propeller Indication System6197Propeller/Propulsor System Wiring