# JASC 7922: Engine Oil Temperature Regulator - Type: JASC system/component code (FAA) - ATA chapter: 79 Engine Oil - Title in the code table: ENGINE OIL TEMP. REGULATOR - Service difficulty reports: 268 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=68 - Page: https://openairdocs.org/jasc/7922 ## What it covers The unit which is mounted on the airframe oil cooler or the engine for controlling engine lubricating oil temperature. Typical parts are thermostat, thermal valve, regulator, etc. ## Latest service difficulty reports - [SDR DALA2026011400341](https://openairdocs.org/sdr/DALA2026011400341), Jan 12, 2026: OIL COOLER, LEAKING (N107DU) - [SDR HALA20250516137](https://openairdocs.org/sdr/HALA20250516137), May 14, 2025: MONITOR, FAULTED (N390HA) - [SDR QMLA2024111820144](https://openairdocs.org/sdr/QMLA2024111820144), Nov 17, 2024: BYPASS VALVE, UNSERVICEABLE (N138HN) - [SDR 3EJA20230307001](https://openairdocs.org/sdr/3EJA20230307001), Feb 22, 2023: FUEL/OIL COOLER, ABNORMAL - [SDR LR7A2023010203258](https://openairdocs.org/sdr/LR7A2023010203258), Jan 2, 2023: VERNATHERM, INOPERATIVE (N402LC) - [SDR HALA2021031500033](https://openairdocs.org/sdr/HALA2021031500033), Mar 14, 2021: HEAT EXCHANGER, LEAKING (N378HA) - [SDR HDNA2020090300393](https://openairdocs.org/sdr/HDNA2020090300393), Sep 3, 2020: BYPASS VALVE, DEFECTIVE (N135LL) - [SDR QXEA2020080600232](https://openairdocs.org/sdr/QXEA2020080600232), Aug 5, 2020: BYPASS VALVE, MALFUNCTIONED (N412QX) - [SDR HDNA202005260015](https://openairdocs.org/sdr/HDNA202005260015), May 26, 2020: BYPASS VALVE, DEFECTIVE (N135BU) - [SDR CALA2019120302136](https://openairdocs.org/sdr/CALA2019120302136), Dec 2, 2019: HEAT EXCHANGER, INOPERATIVE (N771UA) - [SDR CALA2019120302129](https://openairdocs.org/sdr/CALA2019120302129), Nov 27, 2019: HEAT EXCHANGER, INOPERATIVE (N771UA) - [SDR S6GA2019FA0000141](https://openairdocs.org/sdr/S6GA2019FA0000141), May 6, 2019: REGULATOR VALVE, FAILED (N68NM) - [SDR TIMA2018120400001](https://openairdocs.org/sdr/TIMA2018120400001), Dec 3, 2018: VERNATHERM, FAILED (N218SL) - [SDR QMLA2018071618081](https://openairdocs.org/sdr/QMLA2018071618081), Jul 14, 2018: BYPASS VALVE, DEFECTIVE (N353LL) - [SDR P5CA2018020800040](https://openairdocs.org/sdr/P5CA2018020800040), Feb 8, 2018: GASKET, LEAKING (N647GT) - [SDR O2GA2017101980601](https://openairdocs.org/sdr/O2GA2017101980601), Oct 13, 2017: BYPASS VALVE, INTERMITTENT (N806UP) - [SDR QMLA2017072317070](https://openairdocs.org/sdr/QMLA2017072317070), Jul 23, 2017: BLOWER, FAILED (N127AM) - [SDR P5CA2017011200016](https://openairdocs.org/sdr/P5CA2017011200016), Jan 12, 2017: GASKET, LEAKING (N643GT) - [SDR ZH9R201605130001](https://openairdocs.org/sdr/ZH9R201605130001), Apr 26, 2016: THERMAL BYPASS, LOOSE (N514E) - [SDR 2016FA0000149](https://openairdocs.org/sdr/2016FA0000149), Mar 30, 2016: VERNATHERM, FRACTURED (N62912) - [SDR CA150914009](https://openairdocs.org/sdr/CA150914009), Aug 31, 2015: BYPASS VALVE, CRACKED - [SDR OZCA20150831018](https://openairdocs.org/sdr/OZCA20150831018), Aug 31, 2015: RELIEF VALVE, FAULTY (N651BC) - [SDR FDEA201412284194](https://openairdocs.org/sdr/FDEA201412284194), Dec 28, 2014: SENSOR, FAILED (N303FE) - [SDR HEER20141211553](https://openairdocs.org/sdr/HEER20141211553), Dec 11, 2014: BYPASS VALVE, INOPERATIVE (N344PH) - [SDR ASOA2014031910158](https://openairdocs.org/sdr/ASOA2014031910158), Mar 14, 2014: SENSOR, FAILED (N608QX) - [SDR SWIA201231928](https://openairdocs.org/sdr/SWIA201231928), Oct 6, 2012: THERMOSTAT, FAILED (N579SW) - [SDR M36R20111026004](https://openairdocs.org/sdr/M36R20111026004), Oct 26, 2011: VERNATHERM, DETACHED (N1120W) - [SDR MASA2011062003053](https://openairdocs.org/sdr/MASA2011062003053), Jun 17, 2011: REGULATOR VALVE, MALFUNCTIONED (N434YV) - [SDR HNAA2010042000091](https://openairdocs.org/sdr/HNAA2010042000091), Apr 8, 2010: REGULATOR VALVE, FAULTY (N331EN) - [SDR CA091027002](https://openairdocs.org/sdr/CA091027002), Oct 26, 2009: VALVE, FAILED - [SDR CA090610001](https://openairdocs.org/sdr/CA090610001), Jun 9, 2009: ACTUATOR, FAILED - [SDR CA090218006](https://openairdocs.org/sdr/CA090218006), Feb 18, 2009: VALVE, FAILED - [SDR GVNA2009021180700](https://openairdocs.org/sdr/GVNA2009021180700), Feb 11, 2009: BULB, MALFUNCTIONED (N453MH) - [SDR HNAA2009010300366](https://openairdocs.org/sdr/HNAA2009010300366), Dec 30, 2008: REGULATOR, FAILED (N330EN) - [SDR CA081023004](https://openairdocs.org/sdr/CA081023004), Oct 16, 2008: THERMOSTAT, UNSERVICEABLE - [SDR 2008FA0000382](https://openairdocs.org/sdr/2008FA0000382), Apr 24, 2008: REGULATOR, DAMAGED (N626CG) - [SDR HALA0800533](https://openairdocs.org/sdr/HALA0800533), Apr 19, 2008: HEAT EXCHANGER, LEAKING (N587HA) - [SDR 2007F00049](https://openairdocs.org/sdr/2007F00049), Aug 10, 2007: BYPASS VALVE, MALFUNCTIONED (N911AM) - [SDR DL76L060625](https://openairdocs.org/sdr/DL76L060625), Aug 3, 2006: VALVE, UNSERVICEABLE (N197DN) - [SDR AU510001444](https://openairdocs.org/sdr/AU510001444), Oct 6, 2005: BYPASS VALVE, DISINTEGRATED - [SDR HNAA0500075](https://openairdocs.org/sdr/HNAA0500075), Aug 9, 2005: ENGINE, OVERTEMP (N327EN) - [SDR HNAA0500068](https://openairdocs.org/sdr/HNAA0500068), Jul 11, 2005: VALVE, STICKING (N907HA) - [SDR CA040628005](https://openairdocs.org/sdr/CA040628005), Jun 25, 2004: DOOR, FAILED - [SDR AUS20040491](https://openairdocs.org/sdr/AUS20040491), May 31, 2004: VALVE, FAILED - [SDR CA031009003](https://openairdocs.org/sdr/CA031009003), Oct 7, 2003: CONTROL VALVE, ERRATIC - [SDR BAQA089499](https://openairdocs.org/sdr/BAQA089499), Sep 29, 2003: TRANSDUCER, FLUCTUATES (N118WS) - [SDR BAQA089482](https://openairdocs.org/sdr/BAQA089482), Sep 20, 2003: INDICATOR, ERRATIC (N223HX) - [SDR CA030908010](https://openairdocs.org/sdr/CA030908010), Aug 27, 2003: RELIEF VALVE, FAILED - [SDR HEEA088549](https://openairdocs.org/sdr/HEEA088549), Jul 28, 2003: INDICATOR, READS HIGH (N2014K) - [SDR DHL2003726009](https://openairdocs.org/sdr/DHL2003726009), Jun 11, 2003: TEE FITTING, LEAKING (N726DH) --- From OpenAirDocs.org, an independent open copy of FAA data. 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