# JASC 7210: Turbine Engine Reduction Gear - Type: JASC system/component code (FAA) - ATA chapter: 72 Turbine/turboprop Engine - Title in the code table: TURBINE ENGINE REDUCTION GEAR - Service difficulty reports: 873 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=61 - Page: https://openairdocs.org/jasc/7210 ## What it covers For reports pertaining to reduction gears, combining gearboxes, propeller drive shafts, and helicopter rotor shafts, which are used to transfer power from turboprop and turboshaft engines, to the propeller or helicopter rotor. Do not use this code for accessory devices attached to reduction gearboxes. Typical parts are shaft, gear, bearing, case, torque piston, transfer tube, chip detector, etc. ## Latest service difficulty reports - [SDR CALA2026072317955](https://openairdocs.org/sdr/CALA2026072317955), Jul 21, 2026: ANTI-ICE VALVE, STUCK (N37510) - [SDR DALA2026021701091](https://openairdocs.org/sdr/DALA2026021701091), Feb 14, 2026: PLUG, LEAKING (N105DU) - [SDR AALA202504029093](https://openairdocs.org/sdr/AALA202504029093), Mar 25, 2025: GEARBOX, LEAKING (N871NN) - [SDR IPXA2024103013519](https://openairdocs.org/sdr/IPXA2024103013519), Oct 24, 2024: FAN COWL, CRACKED (N169UP) - [SDR 2024FA0000461](https://openairdocs.org/sdr/2024FA0000461), Jun 24, 2024: SEAL PLATE, MISSING - [SDR FDEA202403070255](https://openairdocs.org/sdr/FDEA202403070255), Mar 7, 2024: HMU, FAILED (N133FE) - [SDR VGCA20240207001](https://openairdocs.org/sdr/VGCA20240207001), Feb 7, 2024: REDUCTION GB, PRESSURE LOSS (N371FL) - [SDR F3LA2024010900001](https://openairdocs.org/sdr/F3LA2024010900001), Dec 27, 2023: GEARBOX, CRACKED (N370FR) - [SDR 2023FA0000158](https://openairdocs.org/sdr/2023FA0000158), Mar 24, 2023: REDUCTION GB, AUTO SHUTDOWN (N882DC) - [SDR YENA2023011300040](https://openairdocs.org/sdr/YENA2023011300040), Jan 6, 2023: ENGINE, FAILED (N328JB) - [SDR 2022F00399](https://openairdocs.org/sdr/2022F00399), Oct 3, 2022: GEARBOX, CRACKED (N990HA) - [SDR FDEA202209212353](https://openairdocs.org/sdr/FDEA202209212353), Sep 21, 2022: CASE, CORRODED (N934FD) - [SDR AALA202204087690](https://openairdocs.org/sdr/AALA202204087690), Apr 7, 2022: SEAL, LEAKING (N133AN) - [SDR DXTA2022040659730](https://openairdocs.org/sdr/DXTA2022040659730), Apr 5, 2022: NONE, NONE (N353QS) - [SDR FDEA202103160657](https://openairdocs.org/sdr/FDEA202103160657), Mar 16, 2021: ENGINE, FAILED (N321FE) - [SDR N3XR202102100001](https://openairdocs.org/sdr/N3XR202102100001), Feb 8, 2021: FLYWHEEL, WORN (N308ER) - [SDR 2020FA0000425](https://openairdocs.org/sdr/2020FA0000425), Sep 29, 2020: GEARBOX, CORRODED (N334ST) - [SDR SWAA2021082214221](https://openairdocs.org/sdr/SWAA2021082214221), Jan 21, 2020: STRUT, CRACKED (N8305E) - [SDR CA190726023](https://openairdocs.org/sdr/CA190726023), Jul 23, 2019: GEARBOX, MAKING METAL - [SDR CA190809010](https://openairdocs.org/sdr/CA190809010), Jul 1, 2019: SUN GEAR, DISTRESSED - [SDR CA190622004](https://openairdocs.org/sdr/CA190622004), Jun 10, 2019: REDUCTION GB, MAKING METAL - [SDR CA190614012](https://openairdocs.org/sdr/CA190614012), Jun 10, 2019: CARRIER ASSY, DAMAGED - [SDR CA190524027](https://openairdocs.org/sdr/CA190524027), May 21, 2019: REDUCTION GB, MAKING METAL - [SDR CA190528004](https://openairdocs.org/sdr/CA190528004), May 10, 2019: REDUCTION GB, CRACKED - [SDR CA190516015](https://openairdocs.org/sdr/CA190516015), May 8, 2019: PLANETARY GEAR, FAILED - [SDR CA190324001](https://openairdocs.org/sdr/CA190324001), Mar 22, 2019: REDUCTION GB, MAKING METAL - [SDR KY7A2019040435001](https://openairdocs.org/sdr/KY7A2019040435001), Mar 14, 2019: NOZZLE, BROKEN (N820DC) - [SDR CA190313008](https://openairdocs.org/sdr/CA190313008), Feb 28, 2019: SHAFT, SHEARED - [SDR CA190208024](https://openairdocs.org/sdr/CA190208024), Feb 2, 2019: REDUCTION GB, DAMAGED - [SDR CALA2018120212443](https://openairdocs.org/sdr/CALA2018120212443), Nov 26, 2018: GEARBOX, FAILED (N13110) - [SDR AALA20180817009](https://openairdocs.org/sdr/AALA20180817009), Aug 16, 2018: NONE, NONE (N9023N) - [SDR DALA2018081004983](https://openairdocs.org/sdr/DALA2018081004983), Aug 9, 2018: GEARBOX, CRACKED (N592NW) - [SDR WX0A2018072373359](https://openairdocs.org/sdr/WX0A2018072373359), Jul 18, 2018: GEARBOX, FAILED (N872GA) - [SDR HEER201806064018](https://openairdocs.org/sdr/HEER201806064018), Jun 4, 2018: BEARING, FAILED (N434PH) - [SDR 2018FA0000150](https://openairdocs.org/sdr/2018FA0000150), Apr 25, 2018: PINION GEAR, FAILED (N589CE) - [SDR K51A2017111600001](https://openairdocs.org/sdr/K51A2017111600001), Oct 25, 2017: BEARING, FAILED (N227LJ) - [SDR UIEA2017071201153](https://openairdocs.org/sdr/UIEA2017071201153), Jul 8, 2017: BLADE, NICKED (N1709A) - [SDR WX0A2017032773233](https://openairdocs.org/sdr/WX0A2017032773233), Mar 25, 2017: DUCT, NOT REPORTED (N862GA) - [SDR QMLA2016111616134](https://openairdocs.org/sdr/QMLA2016111616134), Nov 16, 2016: GEARBOX, MAKING METAL (N135LF) - [SDR 2016FA0000564](https://openairdocs.org/sdr/2016FA0000564), Nov 10, 2016: HOUSING, LEAKING (N950U) - [SDR 2016FA0000658](https://openairdocs.org/sdr/2016FA0000658), Oct 31, 2016: BOLT, SHEARED - [SDR DALA2016052704172](https://openairdocs.org/sdr/DALA2016052704172), May 25, 2016: GEARBOX, SEIZED (N6711M) - [SDR CA160209002](https://openairdocs.org/sdr/CA160209002), Feb 4, 2016: GEARBOX, MAKING METAL - [SDR CA151031007](https://openairdocs.org/sdr/CA151031007), Oct 30, 2015: BEARING CAGE, FAILED - [SDR CA150908001](https://openairdocs.org/sdr/CA150908001), Sep 6, 2015: SEAL, FAILED - [SDR COZA20150819061](https://openairdocs.org/sdr/COZA20150819061), Aug 15, 2015: SPINNER, CRACKED (N232K) - [SDR CA150903007](https://openairdocs.org/sdr/CA150903007), Aug 11, 2015: PLANETARY GEAR, FAILED - [SDR FJTA201507315691](https://openairdocs.org/sdr/FJTA201507315691), Jul 27, 2015: GEARBOX, FAILED (N569ST) - [SDR CA150715006](https://openairdocs.org/sdr/CA150715006), Jul 15, 2015: GEARBOX, DAMAGED - [SDR 2015FA0000322](https://openairdocs.org/sdr/2015FA0000322), Jun 20, 2015: GEARBOX, FAILED (N220EA) --- From OpenAirDocs.org, an independent open copy of FAA data. 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