# JASC 3423: Magnetic Compass

- Type: JASC system/component code (FAA)
- ATA chapter: 34 Navigation
- Title in the code table: MAGNETIC COMPASS
- Service difficulty reports: 101
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=38
- Page: https://openairdocs.org/jasc/3423

## What it covers

The instrument which indicates the magnetic heading of an aircraft by self contained magnetized needles. Typical parts are compensator, adjusting screw, gasket, float, case, etc.

## Latest service difficulty reports

- [SDR 2026F00171](https://openairdocs.org/sdr/2026F00171), Jul 31, 2026: LIGHT, BURNED OUT (N920GD)
- [SDR QR9R2026040600001](https://openairdocs.org/sdr/QR9R2026040600001), Apr 6, 2026: COMPASS, SPINNING
- [SDR YENA2026030900277](https://openairdocs.org/sdr/YENA2026030900277), Mar 8, 2026: ISIS, FAILED (N971JT)
- [SDR ABXA20260208058](https://openairdocs.org/sdr/ABXA20260208058), Feb 8, 2026: COMPASS, MALFUNCTIONED (N219CY)
- [SDR HEEA202312010001](https://openairdocs.org/sdr/HEEA202312010001), Dec 1, 2023: COMPASS, INOPERATIVE (N928PH)
- [SDR N6WA2023012601](https://openairdocs.org/sdr/N6WA2023012601), Jan 22, 2023: COMPASS, OUT OF ADJUST (N543GJ)
- [SDR YENA2022111801137](https://openairdocs.org/sdr/YENA2022111801137), Nov 15, 2022: INDICATOR, FAILED (N4058J)
- [SDR YENA2022072200672](https://openairdocs.org/sdr/YENA2022072200672), Jul 21, 2022: NONE, FAILED (N527JL)
- [SDR VNAA202107191111](https://openairdocs.org/sdr/VNAA202107191111), Jul 15, 2021: COMPASS, FAILED (N530EA)
- [SDR JIKA2020070262201](https://openairdocs.org/sdr/JIKA2020070262201), Jun 22, 2020: AMPLIFIER, SHORTED (N51RP)
- [SDR N6WA20190215401](https://openairdocs.org/sdr/N6WA20190215401), Feb 14, 2019: COMPASS, OUT OF ADJUST (N159GJ)
- [SDR 9EKA20181120004](https://openairdocs.org/sdr/9EKA20181120004), Nov 20, 2018: COMPASS, FAILED (N902R)
- [SDR DBCA2018062920003](https://openairdocs.org/sdr/DBCA2018062920003), Jun 22, 2018: SWITCH, STUCK (N210CM)
- [SDR HALA2017032800089](https://openairdocs.org/sdr/HALA2017032800089), Mar 28, 2017: DIRECTOR, MALFUNCTIONED (N583HA)
- [SDR 9JLA2016112212119](https://openairdocs.org/sdr/9JLA2016112212119), Jun 4, 2016: COMPASS, LEAKING (N202CW)
- [SDR K11A2015060872601](https://openairdocs.org/sdr/K11A2015060872601), Jun 8, 2015: COMPASS, PRECESSES (N726CK)
- [SDR HALA2015011400009](https://openairdocs.org/sdr/HALA2015011400009), Jan 14, 2015: COMPASS, SMOKE (N388HA)
- [SDR CA150909004](https://openairdocs.org/sdr/CA150909004), Jul 29, 2014: COMPASS, LEAKING
- [SDR YYFA201306110001](https://openairdocs.org/sdr/YYFA201306110001), Jun 11, 2013: ADI, FAILED (N305FA)
- [SDR HNAA2012100100987](https://openairdocs.org/sdr/HNAA2012100100987), Oct 1, 2012: CONTROLLER, FAILED (N941HA)
- [SDR 2011FA0000546](https://openairdocs.org/sdr/2011FA0000546), Aug 10, 2011: BEARING, NOISY (N115BB)
- [SDR VNAA2011051200004](https://openairdocs.org/sdr/VNAA2011051200004), May 8, 2011: COMPASS, DAMAGED (N213PS)
- [SDR CA101209012](https://openairdocs.org/sdr/CA101209012), Dec 1, 2010: COMPASS, INOPERATIVE
- [SDR CA101027011](https://openairdocs.org/sdr/CA101027011), Oct 27, 2010: COMPASS, MISINSTALLED
- [SDR HALA2010010600008](https://openairdocs.org/sdr/HALA2010010600008), Jan 6, 2010: UNKNOWN, UNKNOWN (N592HA)
- [SDR IXXA090054O](https://openairdocs.org/sdr/IXXA090054O), Sep 30, 2009: RMI, DEFECTIVE (N822BX)
- [SDR IXXA090047O](https://openairdocs.org/sdr/IXXA090047O), Sep 3, 2009: AMPLIFIER, DEFECTIVE (N799AL)
- [SDR 2009FA0000848](https://openairdocs.org/sdr/2009FA0000848), Jul 30, 2009: COMPASS, MISMANUFACTURED
- [SDR HNAA2009071600220](https://openairdocs.org/sdr/HNAA2009071600220), Jul 15, 2009: COMPASS, SMOKE (N930HA)
- [SDR DL76L090828](https://openairdocs.org/sdr/DL76L090828), May 4, 2009: COMPASS, MALFUNCTIONED (N195DN)
- [SDR HALA2009033100118](https://openairdocs.org/sdr/HALA2009033100118), Mar 31, 2009: EADI, INOPERATIVE (N582HA)
- [SDR IXXA080025O](https://openairdocs.org/sdr/IXXA080025O), May 29, 2008: COMPASS, DEFECTIVE (N71CX)
- [SDR XN0A1314](https://openairdocs.org/sdr/XN0A1314), Mar 29, 2006: COMPASS, MALFUNCTIONED (N224KW)
- [SDR P5CA0601431](https://openairdocs.org/sdr/P5CA0601431), Jan 15, 2006: COUPLER, DEFECTIVE (N920FT)
- [SDR P5CA0601430](https://openairdocs.org/sdr/P5CA0601430), Jan 13, 2006: COUPLER, FAILED (N920FT)
- [SDR P5CA0501414](https://openairdocs.org/sdr/P5CA0501414), Nov 2, 2005: COUPLER, DEFECTIVE (N508MC)
- [SDR IXXA0500091O](https://openairdocs.org/sdr/IXXA0500091O), Aug 10, 2005: FIBER OPTIC GYRO, INOPERATIVE (N604BX)
- [SDR ASMF200507024](https://openairdocs.org/sdr/ASMF200507024), Jul 28, 2005: GYRO, FAILED (N881LF)
- [SDR GTIA050041](https://openairdocs.org/sdr/GTIA050041), Feb 28, 2005: RACK, DEFECTIVE (N800NK)
- [SDR XN0A1228](https://openairdocs.org/sdr/XN0A1228), Feb 11, 2005: COUPLER, DEFECTIVE (N473AS)
- [SDR TXER099084](https://openairdocs.org/sdr/TXER099084), Jan 2, 2005: COMPASS, BROKEN (N588CF)
- [SDR UPS04843348](https://openairdocs.org/sdr/UPS04843348), Oct 8, 2004: EADI, FAILED (N866UP)
- [SDR P5CA0401109](https://openairdocs.org/sdr/P5CA0401109), Jun 26, 2004: COUPLER, DAMAGED (N355MC)
- [SDR KBM2003F00108](https://openairdocs.org/sdr/KBM2003F00108), Nov 19, 2003: COMPASS, LOW (N73DP)
- [SDR BAQA090606](https://openairdocs.org/sdr/BAQA090606), Oct 28, 2003: COMPASS, MALFUNCTIONED (N945ME)
- [SDR BAQA090154](https://openairdocs.org/sdr/BAQA090154), Oct 24, 2003: COMPASS, INACCURATE (N5LF)
- [SDR KBM2003F00053](https://openairdocs.org/sdr/KBM2003F00053), Oct 10, 2003: COMPASS, INACCURATE (N53SH)
- [SDR HEEA088514](https://openairdocs.org/sdr/HEEA088514), Jul 12, 2003: COMPASS, LEAKING (N30KH)
- [SDR UIEA200300029](https://openairdocs.org/sdr/UIEA200300029), Jun 25, 2003: COUPLER, FAILED (N535MC)
- [SDR HEEA084380](https://openairdocs.org/sdr/HEEA084380), Feb 11, 2003: COMPASS, OSCILLATES (N491PH)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.