# JASC 6140: Propeller Indication System

- Type: JASC system/component code (FAA)
- ATA chapter: 61 Propeller/Propulsors
- Title in the code table: PROPELLER INDICATING SYSTEM
- Service difficulty reports: 292
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=56
- Page: https://openairdocs.org/jasc/6140

## What it covers

The system components and parts which indicates the operation or activation of propeller systems. Typical parts are switch, lamp, connector, harness, indicator, etc.

## Latest service difficulty reports

- [SDR 2026FA0000059](https://openairdocs.org/sdr/2026FA0000059), Dec 25, 2025: TACH GENERATOR, LOOSE (N971LA)
- [SDR OZCA90130MAR21](https://openairdocs.org/sdr/OZCA90130MAR21), Mar 30, 2021: PROPELLER, LOW PRESSURE (N901BC)
- [SDR RU3A20190827044](https://openairdocs.org/sdr/RU3A20190827044), Aug 27, 2019: PROXIMITY SWITCH, FAILED (N79)
- [SDR RU3A201908197040](https://openairdocs.org/sdr/RU3A201908197040), Aug 16, 2019: PROXIMITY SWITCH, FAILED (N75)
- [SDR RU3A20190326010](https://openairdocs.org/sdr/RU3A20190326010), Mar 22, 2019: PROXIMITY SWITCH, OUT OF ADJUST (N69)
- [SDR QXEA2019031300115](https://openairdocs.org/sdr/QXEA2019031300115), Mar 12, 2019: WARNING SYSTEM, ACTIVATED (N444QX)
- [SDR RU3A20181204049](https://openairdocs.org/sdr/RU3A20181204049), Dec 4, 2018: PROXIMITY SWITCH, OUT OF ADJUST (N72)
- [SDR RU3A2018F00127](https://openairdocs.org/sdr/RU3A2018F00127), Oct 1, 2018: PROXIMITY SWITCH, FAULTY (N69)
- [SDR RU3A2018092119041](https://openairdocs.org/sdr/RU3A2018092119041), Sep 19, 2018: PROXIMITY SWITCH, BROKEN (N72)
- [SDR 2019F00058](https://openairdocs.org/sdr/2019F00058), Aug 12, 2018: SIGNAL COND UNIT, FAILED
- [SDR RU3A201805216018](https://openairdocs.org/sdr/RU3A201805216018), May 16, 2018: SWITCH, FAILED (N72)
- [SDR CA180423014](https://openairdocs.org/sdr/CA180423014), Apr 19, 2018: GEAR, DAMAGED
- [SDR VGCA20161114001](https://openairdocs.org/sdr/VGCA20161114001), Nov 14, 2016: TACHOMETER, FALSE INDICATION (N361FL)
- [SDR HNAA2016071100213](https://openairdocs.org/sdr/HNAA2016071100213), Jul 9, 2016: INDICATOR, INOPERATIVE (N814EX)
- [SDR CA151224002](https://openairdocs.org/sdr/CA151224002), Dec 21, 2015: SWITCH, FAULTY
- [SDR CA150714013](https://openairdocs.org/sdr/CA150714013), Jul 12, 2015: SWITCH, SHORTED
- [SDR HNAA2015062400206](https://openairdocs.org/sdr/HNAA2015062400206), Jun 24, 2015: RELAY, NO TEST (N814EX)
- [SDR O2GA2015052280201](https://openairdocs.org/sdr/O2GA2015052280201), May 18, 2015: PROXIMITY SWITCH, DEFECTIVE (N802UP)
- [SDR HNAA2015020600034](https://openairdocs.org/sdr/HNAA2015020600034), Feb 5, 2015: INDICATOR, MALFUNCTIONED (N934HA)
- [SDR O2GA2014071582701](https://openairdocs.org/sdr/O2GA2014071582701), Jul 7, 2014: SWITCH, INTERMITTENT (N827UP)
- [SDR JJBA20140622011](https://openairdocs.org/sdr/JJBA20140622011), Jun 22, 2014: UNKNOWN, MALFUNCTIONED (N838CA)
- [SDR 29GA2014060900001](https://openairdocs.org/sdr/29GA2014060900001), Jun 6, 2014: SENSOR, MALFUNCTIONED (N347AG)
- [SDR ERAA20140022](https://openairdocs.org/sdr/ERAA20140022), Apr 18, 2014: INDICATOR, INOPERATIVE (N972EA)
- [SDR RU3A20140131002](https://openairdocs.org/sdr/RU3A20140131002), Jan 28, 2014: WARNING LIGHT, ILLUMINATED (N80)
- [SDR HNAA2013122300627](https://openairdocs.org/sdr/HNAA2013122300627), Dec 23, 2013: WARNING HORN, FALSE ACTIVATION (N809EX)
- [SDR GLBA2013102200342](https://openairdocs.org/sdr/GLBA2013102200342), Oct 21, 2013: INDICATOR, MALFUNCTIONED (N202UX)
- [SDR HNAA2013032900187](https://openairdocs.org/sdr/HNAA2013032900187), Mar 29, 2013: LOCKOUT, INTERMITTENT (N808EX)
- [SDR RNVA20130325005](https://openairdocs.org/sdr/RNVA20130325005), Feb 5, 2013: INDICATOR, FAULTY (N308PW)
- [SDR HNAA2012080600899](https://openairdocs.org/sdr/HNAA2012080600899), Aug 6, 2012: WARNING HORN, FALSE ACTIVATION (N814EX)
- [SDR HNAA2012080600898](https://openairdocs.org/sdr/HNAA2012080600898), Aug 6, 2012: WARNING HORN, FALSE ACTIVATION (N814EX)
- [SDR II9A20120719001](https://openairdocs.org/sdr/II9A20120719001), Jul 19, 2012: TACH GENERATOR, DEFECTIVE (N228ST)
- [SDR NSVA20120421521](https://openairdocs.org/sdr/NSVA20120421521), Apr 21, 2012: TRANSDUCER, FAULTY (N187WQ)
- [SDR HNAA2012022100599](https://openairdocs.org/sdr/HNAA2012022100599), Feb 20, 2012: SWITCH, INOPERATIVE (N335EN)
- [SDR HNAA2012012600506](https://openairdocs.org/sdr/HNAA2012012600506), Jan 27, 2012: INDICATOR, ERRATIC (N837EX)
- [SDR HNAA2011090100264](https://openairdocs.org/sdr/HNAA2011090100264), Aug 21, 2011: PCU, FAILED (N936HA)
- [SDR HNAA2011081700258](https://openairdocs.org/sdr/HNAA2011081700258), Aug 14, 2011: ELECTRONIC UNIT, FAILED (N931HA)
- [SDR CA110804008](https://openairdocs.org/sdr/CA110804008), Jul 28, 2011: TACH GENERATOR, FAILED
- [SDR RU3A1113](https://openairdocs.org/sdr/RU3A1113), Apr 5, 2011: PROXIMITY SWITCH, DEFECTIVE (N76)
- [SDR CA101216002](https://openairdocs.org/sdr/CA101216002), Dec 15, 2010: DRIVE SHAFT, UNSERVICEABLE
- [SDR NSVA2010116](https://openairdocs.org/sdr/NSVA2010116), Jul 7, 2010: WARNING SYSTEM, MALFUNCTIONED (N362PX)
- [SDR CA100528005](https://openairdocs.org/sdr/CA100528005), May 25, 2010: BETA SWITCH, UNSERVICEABLE
- [SDR GLBA200911221](https://openairdocs.org/sdr/GLBA200911221), Nov 22, 2009: INDICATOR, INOPERATIVE (N231YV)
- [SDR GLBA20091120A](https://openairdocs.org/sdr/GLBA20091120A), Nov 20, 2009: GAUGE, INOPERATIVE (N96ZK)
- [SDR SWIA200922647](https://openairdocs.org/sdr/SWIA200922647), Sep 16, 2009: WARNING SYSTEM, MALFUNCTIONED (N216SW)
- [SDR GLBA20090703A](https://openairdocs.org/sdr/GLBA20090703A), Jul 3, 2009: TACH GENERATOR, DETERIORATED (N195GL)
- [SDR JJBA200972549](https://openairdocs.org/sdr/JJBA200972549), Jun 22, 2009: TORQUE SENSOR, FALSE ACTIVATION (N374PH)
- [SDR GLBA20090520F](https://openairdocs.org/sdr/GLBA20090520F), May 18, 2009: CIRCUIT BOARD, FAILED (N237YV)
- [SDR GLBA200904191](https://openairdocs.org/sdr/GLBA200904191), Apr 19, 2009: GASKET, DAMAGED (N153GL)
- [SDR COEA2009012301700](https://openairdocs.org/sdr/COEA2009012301700), Jan 22, 2009: INDICATOR, MALFUNCTIONED (N700FX)
- [SDR SWIA200820505](https://openairdocs.org/sdr/SWIA200820505), Nov 23, 2008: PROPELLER, SURGES (N561SW)

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