# JASC 2170: Humidity Control System - Type: JASC system/component code (FAA) - ATA chapter: 21 Air Conditioning - Title in the code table: HUMIDITY CONTROL SYSTEM - Service difficulty reports: 1,332 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=17 - Page: https://openairdocs.org/jasc/2170 ## What it covers For reports of system parts that control humidity. Typical parts are bag, sock, filter, moisture separator, etc. ## Latest service difficulty reports - [SDR ASAA2026100267266](https://openairdocs.org/sdr/ASAA2026100267266), Oct 2, 2026: COALESCER BAG, ODOR (N488HA) - [SDR ASAA2026092767163](https://openairdocs.org/sdr/ASAA2026092767163), Sep 27, 2026: COALESCER BAG, ODOR (N488HA) - [SDR Y2PA2026100126022](https://openairdocs.org/sdr/Y2PA2026100126022), Sep 24, 2026: COALESCER BAG, DIRTY (N835US) - [SDR UIEA2026091000864](https://openairdocs.org/sdr/UIEA2026091000864), Sep 10, 2026: COALESCER BAG, ODOR (N453PA) - [SDR I5PA2026082988805](https://openairdocs.org/sdr/I5PA2026082988805), Aug 29, 2026: COALESCER BAG, CRACKED (N888LT) - [SDR DALA2026082404795](https://openairdocs.org/sdr/DALA2026082404795), Aug 23, 2026: COALESCER BAG, ODOR (N927AT) - [SDR DALA2026080704572](https://openairdocs.org/sdr/DALA2026080704572), Aug 7, 2026: COALESCER BAG, ODOR (N608AT) - [SDR DALA2026071704217](https://openairdocs.org/sdr/DALA2026071704217), Jul 16, 2026: COALESCER BAG, ODOR (N945AT) - [SDR DALA2026070803991](https://openairdocs.org/sdr/DALA2026070803991), Jul 7, 2026: COALESCER BAG, ODOR (N928AT) - [SDR WX0A2026070832881](https://openairdocs.org/sdr/WX0A2026070832881), Jul 4, 2026: BATTERY PACK, NO TEST (N218NV) - [SDR DALA2026070103877](https://openairdocs.org/sdr/DALA2026070103877), Jul 1, 2026: COALESCER BAG, ODOR (N934AT) - [SDR SWIA2026062476310](https://openairdocs.org/sdr/SWIA2026062476310), Jun 24, 2026: RESERVOIR, LEAKING (N741EV) - [SDR IPXA2026051813873](https://openairdocs.org/sdr/IPXA2026051813873), May 16, 2026: COALESCER BAG, DIRTY (N152UP) - [SDR DXTA2026050407877](https://openairdocs.org/sdr/DXTA2026050407877), May 1, 2026: COALESCER BAG, DIRTY (N258QS) - [SDR DXTA2026050407880](https://openairdocs.org/sdr/DXTA2026050407880), May 1, 2026: COALESCER BAG, DIRTY (N228QS) - [SDR CALA2026043015853](https://openairdocs.org/sdr/CALA2026043015853), Apr 29, 2026: COALESCER BAG, ODOR (N787UA) - [SDR SWAA2026042090096](https://openairdocs.org/sdr/SWAA2026042090096), Apr 16, 2026: COALESCER BAG, ODOR (N480WN) - [SDR 2026FA0000217](https://openairdocs.org/sdr/2026FA0000217), Mar 26, 2026: HUMIDIFIER, LEAKING (N7378S) - [SDR 6CBA2026032626001](https://openairdocs.org/sdr/6CBA2026032626001), Mar 24, 2026: WATER SEPARATOR, CONTAMINATED (N567AF) - [SDR ASAA2026031163805](https://openairdocs.org/sdr/ASAA2026031163805), Mar 11, 2026: COALESCER BAG, ODOR (N488HA) - [SDR SWIA2026022675356](https://openairdocs.org/sdr/SWIA2026022675356), Feb 26, 2026: ENGINE, ODOR (N821SK) - [SDR SWAA2026021270217](https://openairdocs.org/sdr/SWAA2026021270217), Feb 11, 2026: WATER SEPARATOR, FUMES (N488WN) - [SDR DXTA2026012806693](https://openairdocs.org/sdr/DXTA2026012806693), Jan 26, 2026: WATER SEPARATOR, ODOR (N243QS) - [SDR WX0A2026012332711](https://openairdocs.org/sdr/WX0A2026012332711), Jan 22, 2026: UNKNOWN, ODOR (N301NV) - [SDR 2025F00289](https://openairdocs.org/sdr/2025F00289), Dec 22, 2025: WATER SEPARATOR, LEAKING (N120SB) - [SDR KY72026F00001](https://openairdocs.org/sdr/KY72026F00001), Nov 21, 2025: COALESCER BAG, ODOR (N2691W) - [SDR DXTA2025111705686](https://openairdocs.org/sdr/DXTA2025111705686), Nov 14, 2025: COALESCER BAG, ODOR (N254QS) - [SDR SWAA2025110531910](https://openairdocs.org/sdr/SWAA2025110531910), Nov 4, 2025: COALESCER BAG, ODOR (N7862A) - [SDR SWAA2025100922994](https://openairdocs.org/sdr/SWAA2025100922994), Oct 8, 2025: COALESCER BAG, DIRTY (N283WN) - [SDR DALA2025092907059](https://openairdocs.org/sdr/DALA2025092907059), Sep 26, 2025: COALESCER BAG, ODOR (N919AT) - [SDR IPXA2025091628055](https://openairdocs.org/sdr/IPXA2025091628055), Sep 16, 2025: COALESCER BAG, ODOR (N284UP) - [SDR DALA2025062604792](https://openairdocs.org/sdr/DALA2025062604792), Jun 25, 2025: COALESCER BAG, CONTAMINATED (N992AT) - [SDR CALA2025060905367](https://openairdocs.org/sdr/CALA2025060905367), Jun 6, 2025: COALESCER BAG, FAULTED (N15712) - [SDR SWIA2025060600004](https://openairdocs.org/sdr/SWIA2025060600004), Jun 4, 2025: FILTER, ODOR (N163SY) - [SDR VNAA2025052911101](https://openairdocs.org/sdr/VNAA2025052911101), May 25, 2025: WATER SEPARATOR, ODOR (N526EA) - [SDR KCSA202504150314](https://openairdocs.org/sdr/KCSA202504150314), Apr 13, 2025: COALESCER BAG, UNSERVICEABLE (N705CK) - [SDR DXTA2025041403068](https://openairdocs.org/sdr/DXTA2025041403068), Apr 12, 2025: COUPLING, OUT OF POSITION (N341QS) - [SDR QMLA2025032420040](https://openairdocs.org/sdr/QMLA2025032420040), Mar 23, 2025: MOTOR, SHORTED (N382AM) - [SDR 3EJA202503210001](https://openairdocs.org/sdr/3EJA202503210001), Mar 18, 2025: CONDENSER, DIRTY (N863JS) - [SDR DXTA2025011001872](https://openairdocs.org/sdr/DXTA2025011001872), Jan 7, 2025: WATER SEPARATOR, FAULTED (N259QS) - [SDR WX0A2024122032237](https://openairdocs.org/sdr/WX0A2024122032237), Dec 19, 2024: FCU, LEAKING (N324NV) - [SDR WX0A2024120932230](https://openairdocs.org/sdr/WX0A2024120932230), Dec 7, 2024: A/C PACK, ABNORMAL - [SDR DXTA2024120201323](https://openairdocs.org/sdr/DXTA2024120201323), Nov 29, 2024: COALESCER BAG, DIRTY (N216QS) - [SDR WX0A2024112532224](https://openairdocs.org/sdr/WX0A2024112532224), Nov 22, 2024: PRESSURE SYSTEM, ABNORMAL (N318NV) - [SDR DXTA2024112501212](https://openairdocs.org/sdr/DXTA2024112501212), Nov 20, 2024: COALESCER BAG, DAMAGED (N234QS) - [SDR DXTA2024111501131](https://openairdocs.org/sdr/DXTA2024111501131), Nov 13, 2024: CONDESOR, DIRTY (N556QS) - [SDR UIEA2024110901083](https://openairdocs.org/sdr/UIEA2024110901083), Nov 9, 2024: CLAMP, FAILED (N499MC) - [SDR CALA2024110601055](https://openairdocs.org/sdr/CALA2024110601055), Nov 5, 2024: MODULE, WRONG PART (N27258) - [SDR K11A2024092300286](https://openairdocs.org/sdr/K11A2024092300286), Sep 23, 2024: WATER SEPARATOR, FAULTED (N403CK) - [SDR HEEA202407240001](https://openairdocs.org/sdr/HEEA202407240001), Jul 23, 2024: MOTOR, INOPERATIVE (N714P) --- From OpenAirDocs.org, an independent open copy of FAA data. 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