# JASC 7601: Engine Synchronizing

- Type: JASC system/component code (FAA)
- ATA chapter: 76 Engine Controls
- Title in the code table: ENGINE SYNCHRONIZING
- Service difficulty reports: 30
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=65
- Page: https://openairdocs.org/jasc/7601

## What it covers

The components providing for engine synchronization in multi-engine aircraft.

## Latest service difficulty reports

- [SDR 2025FA0000075](https://openairdocs.org/sdr/2025FA0000075), Jan 31, 2025: CONTROL BOX, DISENGAGED (N340SF)
- [SDR DALA2023070305338](https://openairdocs.org/sdr/DALA2023070305338), Jun 1, 2023: UNKNOWN, UNKNOWN (N375NC)
- [SDR QXEA2022052700208](https://openairdocs.org/sdr/QXEA2022052700208), May 25, 2022: AUTOTHROTTLE SYS, INOPERATIVE (N631QX)
- [SDR IPXA2022052082270](https://openairdocs.org/sdr/IPXA2022052082270), May 19, 2022: RELAY, INOPERATIVE (N453UP)
- [SDR ASAA2022041037991](https://openairdocs.org/sdr/ASAA2022041037991), Apr 10, 2022: LEVER, FAULTED (N589AS)
- [SDR CA190314015](https://openairdocs.org/sdr/CA190314015), Mar 12, 2019: POWER LEVER, STIFF
- [SDR AALA20170201019](https://openairdocs.org/sdr/AALA20170201019), Jan 29, 2017: CONTROL BOX, FAULTY (N954U)
- [SDR AALA20170129005](https://openairdocs.org/sdr/AALA20170129005), Jan 29, 2017: ACTUATOR, FAULTY (N954U)
- [SDR AALA20161222004](https://openairdocs.org/sdr/AALA20161222004), Dec 20, 2016: CONTROL BOX, FAULTY (N70425)
- [SDR AALA20161220013](https://openairdocs.org/sdr/AALA20161220013), Dec 20, 2016: ACTUATOR, FAULTY (N70425)
- [SDR 9JLA201506247566](https://openairdocs.org/sdr/9JLA201506247566), May 12, 2015: CONTROLLER, DEFECTIVE (N304HE)
- [SDR REXA2013012100175](https://openairdocs.org/sdr/REXA2013012100175), Jan 21, 2013: UNKNOWN, MALFUNCTIONED (N8896A)
- [SDR REXA2012042100544](https://openairdocs.org/sdr/REXA2012042100544), Apr 21, 2012: CONTROL SYSTEM, OUT OF RIG (N8543F)
- [SDR HALA2010102700501](https://openairdocs.org/sdr/HALA2010102700501), Oct 27, 2010: SYNCRONIZER, OUT OF ADJUST (N598HA)
- [SDR HALA2010072100320](https://openairdocs.org/sdr/HALA2010072100320), Jul 21, 2010: UNKNOWN, MALFUNCTIONED (N580HA)
- [SDR HNAA2009051300143](https://openairdocs.org/sdr/HNAA2009051300143), May 12, 2009: SYNCRONIZER, OUT OF RIG (N804EX)
- [SDR BAQA200700025](https://openairdocs.org/sdr/BAQA200700025), May 18, 2007: SWITCH, WORN (N969ME)
- [SDR 05FDEA00096](https://openairdocs.org/sdr/05FDEA00096), Jan 15, 2005: THROTTLE CABLE, FROZEN (N309FE)
- [SDR 05FDEA00095](https://openairdocs.org/sdr/05FDEA00095), Jan 14, 2005: THROTTLE CABLE, CONTAMINATED (N565FE)
- [SDR 04261421](https://openairdocs.org/sdr/04261421), Sep 17, 2004: WARNING LIGHT, FALSE INDICATION (N421FJ)
- [SDR Z1RA096970](https://openairdocs.org/sdr/Z1RA096970), Aug 23, 2004: TORQUE BOX, INTERMITTENT (N760AF)
- [SDR GTIA020481](https://openairdocs.org/sdr/GTIA020481), Mar 13, 2002: SYNCRONIZER, FAILED (N806NK)
- [SDR USAABA01015](https://openairdocs.org/sdr/USAABA01015), Nov 30, 2001: CONTROL UNIT, FAILED (N673UW)
- [SDR SIMA2454](https://openairdocs.org/sdr/SIMA2454), Sep 1, 2000: CONTROL UNIT, FAILED (N323AE)
- [SDR CA991112018](https://openairdocs.org/sdr/CA991112018), Nov 1, 1999: ACTUATOR, FAILED
- [SDR CA991112017](https://openairdocs.org/sdr/CA991112017), Nov 1, 1999: ACTUATOR, FAILED
- [SDR UF6A980404](https://openairdocs.org/sdr/UF6A980404), Apr 8, 1998: POWER CABLE, FAILED (N858AW)
- [SDR VTZA97582](https://openairdocs.org/sdr/VTZA97582), Oct 17, 1997: CONTROL BOX, FAILED (N494UE)
- [SDR CA970722021](https://openairdocs.org/sdr/CA970722021), Jul 15, 1997: FLEX DRIVE SHAFT, CORRODED
- [SDR M3HA97058](https://openairdocs.org/sdr/M3HA97058), Mar 31, 1997: IDLE GATE LIGHT, ILLUMINATED (N4202G)

---
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.