JASC 2170

Service difficulty reports · 1,332

Reports filed under 2170 · Humidity Control System, newest first.

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '2170'
  ORDER BY difficulty_date DESC"

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SDR ASAA2026100267266Coalescer Bag · odorDIRTY SOCK SMELL WITH ENG ON AND PACKS ON - PLANE REFUSED. GROUNDED - YES. PER AMM 21-54-00. REMOVED & REPLACED COALESCER BAGS & PERFORMED PACK BURN W/ ENG 1 & 2 BLEED AIR SYSTEMS. NO SMELLS NOTED. OK FOR SVC.Oct 2, 2026 · N488HA · Boeing 717200SDR ASAA2026092767163Coalescer Bag · odorDMI# 407496 MUSTY SMELL CAUSING WATERING EYES WITH APU RUNNING. ( AUXILIARY POWER UNIT (APU)(NOTE MANIFOLD ISOLATION VALVE MUST BE OPERATIONAL) ). GROUNDED - YES. INSPECTED APU COMPARTMENT AND COMPRESSOR. NO OIL BESIDES SLIGHT ON PLENUM. PERFORMED FIM 49-50 TASep 27, 2026 · N488HA · Boeing 717200SDR Y2PA2026100126022Coalescer Bag · dirtyTHE FLIGHT CREW REPORTED THAT ENGINE ANTI-ICE HAD BEEN USED SEVERAL TIMES DURING THE FLIGHT AND PREVIOUS FLIGHT. AS THE CREW GOT CLOSER TO THEIR DESTINATION ENGINE ANTI-ICE WAS TURNED ON & IT PRODUCED SIGNIFICANTLY MORE FUMES & ODOR THAN NORMAL. THE ENGINE ANTSep 24, 2026 · N835US · Doug MD88SDR UIEA2026091000864Coalescer Bag · odorELECTRICAL BURNING ODOR IN DESCENT. R & R WATER SEPARATOR COALESCER BAG ON PACK 1, 2, & 3, AND PERFORMED CH 5 INSP IAW AMM 21-51-05. OPS CHKD OK.Sep 10, 2026 · N453PA · Boeing 74746NFSDR I5PA2026082988805Coalescer Bag · crackedFLT MGE880 - ETOPS, LT PACK WATER EXTRACTOR CRACKED & LEAKING. REPLACED THE LT WATER EXTRACTOR IAW APPLICABLE AMMAug 29, 2026 · N888LT · Boeing 757230SDR DALA2026082404795Coalescer Bag · odorSLIGHT DIRTY SOCK SMELL AFTER LONG IDLE DESCENT. R & R COALESCER BAGS IAW AMM 21-54-08. (9488641) (AIRCRAFT GROUNDED).Aug 23, 2026 · N927AT · Boeing 717200SDR DALA2026080704572Coalescer Bag · odorFLIGHT ATTENDANTS REPORTED A CHEMICAL ODOR IN THE GALLEY DURING DESCENT, R/R LT AND RT COELESER BAGS - PACKS OP NML REF B717 AMM 21-50. (8904098) (AIRCRAFT GROUNDED).Aug 7, 2026 · N608AT · Boeing 717200SDR DALA2026071704217Coalescer Bag · odorPUNGENT ODOR THROUGHOUT THE ENTIRE AIRPLANE, R & R COALESCER BAGS IAW AMM 21-54. (1703467) (AIRCRAFT GROUNDED).Jul 16, 2026 · N945AT · Boeing 717200SDR DALA2026070803991Coalescer Bag · odorBURNING ELECTRICAL ODOR FROM FWD CARGO COMPARTMENT, R & R COELESCER BAGS PER B717 AMM 21-54. (1687018) (AIRCRAFT GROUNDED).Jul 7, 2026 · N928AT · Boeing 717200SDR WX0A2026070832881Battery Pack · no test(AIRCRAFT NOT GROUNDED) FWD LEFT & RIGHT EXIT SIGNS INOP / REPLACED EMERGENCY LIGHT BATTERY OPS GOOD IAW AMM 33-51-38-400-001-A"Jul 4, 2026 · N218NV · Airbus A320214SDR DALA2026070103877Coalescer Bag · odorBURNING SMELL WITH APU ON AND PACKS, R & R COALESCER BAGS PER B717 AMM 21-54-08. (6688572) (AIRCRAFT GROUNDED).Jul 1, 2026 · N934AT · Boeing 717200SDR SWIA2026062476310Reservoir · leakingSTRONG BURNT PLASTIC SMELL ROWS 11-15 IN THE BACK OF THE CABIN (FLIGHT 6337) TROUBLESHOT STRONG BURNT PLASTIC SMELL ROWS 11-15 IN THE BACK OF THE CABIN, IAW FIM 21-22-00-810-806, IT WAS DISCOVERED THAT THE NR 2 HYD SYSTEM RESERVOIR HAD BEEN LEAKING HYD FLUIDJun 24, 2026 · N741EV · Cndair CL6002C10SDR IPXA2026051813873Coalescer Bag · dirtySTRONG ODOR SMELT THROUGHOUT FLIGHT WHICH BEGAN IN MCI WITH AIR CART ATTACHED T/S PER TSM 21-20-00/101 FIGURE 210 & FOUND NO CONTAMINATION OF ANY OF THE ECS DUCTING. INSPECTED GROUND AIR SUPPLY FITTINGS, FOUND TO BE IN NORMAL CONDITION WITH NO CONTAMINATION. IMay 16, 2026 · N152UP · Airbus A300F4622RSDR DXTA2026050407877Coalescer Bag · dirtyAFTER APU STARTUP AND SWITCHING FROM THE ENGINE BLEEDS TO THE APU BLEEDS A BURNING SMOKE SMELL WAS NOTED, BUT NO VISIBLE SMOKE IN THE COCKPIT NOR CABIN. AFTER LANDING A FAINT HINT AND TASTE OF SMOKE WAS NOTED IN THE AFT CABIN NEAR THE LAVATORY. THE BURNING SMay 1, 2026 · N258QS · Cndair CL6002B16SDR DXTA2026050407880Coalescer Bag · dirtyON INITIAL CLIMBOUT AN UNKNOWN ODOR/FUME BECAME PREVALENT IN BOTH THE COCKPIT AND THE CABIN. ALL CREWS EYES STARTED BURNING, NO SMOKE DETECTED OR OTHER CAS MESSAGES, ETC TO HELP DETERMINE ANY ISSUE. THE SMELL APPEARED TO BEGIN PERHAPS RIGHT AFTER THE APU WAS May 1, 2026 · N228QS · Cndair CL6002B16SDR CALA2026043015853Coalescer Bag · odorPACK COALESCER BAGS PUT OUT STALE ODOR IN LOWER ALTITUDE DESCENT AND TAXI IN. MOIST AIR GVI LEFT & RIGHT PACK NO ABNORMAL EXCESSIVE WATER FOUND. OPS CHECKED PACKS GOOD NORMAL ODOR CAN NOT DUPLICATE FAULTApr 29, 2026 · N787UA · Boeing 777222SDR SWAA2026042090096Coalescer Bag · odorAFTER LANDING A STRONG ELECTRICAL ODOR STARTED THEN DISSIPATED THROUGHOUT CABIN AND COCKPIT. FOUND SLIGHT ODOR FROM AIR DUCTS WHEN APU INITIALLY TURNED ON; THEN DISSIPATED QUICKLY. T/S PER FIM 21-00-806. SERVICED APU, CHECKED BLEED VALVE DUCT AND INLET FOR Apr 16, 2026 · N480WN · Boeing 7377H4SDR 2026FA0000217Humidifier · leakingTHE ELBOW FITTING BETWEEN THE SHUTOFF VALVE & PULSE VALVE WAS PUSHED OUT OF THE LINE ON ALL THREE HUMIDIFIER SYSTEMS. THIS APPEARS TO HAVE BEEN CAUSED BY WATER FREEZING IN THE LINES (THE AIRCRAFT WAS STOP IN POLAND DURING 3 DAYS WITH VERY NEGATIVE TEMPERATURESMar 26, 2026 · N7378S · Boeing 7378SDR 6CBA2026032626001Water Separator · contaminatedAT TAKEOFF FROM KF45, THE CREW NOTED A BURNING RUBBER SMELL. THE CREW DECIDED TO ABORT THE TAKEOFF. TECHS DETERMINED IT TO BE RELATED TO THE ACS SYSTEM. THE ACS SYSTEM HAS BEEN DEACTIVATED. TECHS AT KPSM FOUND THE WATER SEPARATOR TO HAVE HEAVY CONTAMINATMar 24, 2026 · N567AF · Pilats PC1247ESDR ASAA2026031163805Coalescer Bag · odorFUMES EVENT DURING TAKEOFF DISIPITATED DURING THRUST REDUCTION. SUSTAINED FUMES DIRTY SOCK SMELL DURING WHOLE FLIGHT BUT WAS WORSE ON TAKEOFF. UTILIZED OXY MASKS. GROUNDED - YES. PERFORMED B717 FIM TASK 21-22 TASK 815 STEP C1 RAN BOTH ENGINES AND APU W/ PACKS Mar 11, 2026 · N488HA · Boeing 717200SDR SWIA2026022675356Engine · odorIN FLIGHT FA REPORTED STRONG EXHAUST ODOR IN THE CABIN CAUSING HER THROAT AND HEAD TO HURT. DESCENDED TO FL240 AND SWAPPED TO THE APU BLEED. FA INITIALLY NOTED THAT THE SMELL IMPROVED BUT LATER CALLED US SAYING THE ODOR WAS BACK. PILOTS CONFIRMED THERE WAS A Feb 26, 2026 · N821SK · Cndair CL6002D24SDR SWAA2026021270217Water Separator · fumesAFTER TAKEOFF, ACRID FUMES. APPARENT SOURCE COULD NOT BE IDENTIFIED. FLIGHT ATTENDANTS REPORTED IT WAS NOTICIABLE THROUGHT THE CABIN. STRONG FUMES NOTICIABLE IN THE COCKPIT. PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-56. PERFORMED FIM 21-31,TASK 806. Feb 11, 2026 · N488WN · Boeing 7377H4SDR DXTA2026012806693Water Separator · odorDIRTY SOCK ODOR OCCURRED DESCENDING THROUGH FL210 AND CONTINUED FOR THE REST OF THE FLIGHT. BOTH PACS ON N1 60% N2 77% ITT 450. ODOR IS SIGNIFICANT ENOUGH TO CAUSE EYE DISCOMFORT. CLEANED WATER SEPARATOR SOCK. OPS CHECK GOOD. IAW CL650 AMM 21-51-13-160-801Jan 26, 2026 · N243QS · Cndair CL6002B16SDR WX0A2026012332711Unknown · odor(AIRCRAFT NOT GROUNDED) AFTER TAXI IN & PARKING IN KMSY, THE LFA REPORTED AN ODOR SMELL (DETECTED BY ALL FA'S) THROUGHT THE CABIN. SHE MENTIONED IT HAD BEGUN IN THE DECENT (APPROX. 10,000 FT). IDLE POWER PACKS ON, BLEEDS ON (ENG BLEEDS) FA1 REPORTED/ DETECTEDJan 22, 2026 · N301NV · Airbus A319112SDR 2025F00289Water Separator · leakingRIGHT WATER SEPARATOR HAS EXCESSIVE WATER LEAKING FROM IT.Dec 22, 2025 · N120SB · Gulstm GIVSDR KY72026F00001Coalescer Bag · odorSMOKE IN COCKPIT FROM BLEEDS. TEMP CONTROLLER WAS IN AUTO AND MOSTLY TOWARDS HOT. CLEANED L & R WATERSOCKS GRD RUN'S OPS CHECK GOOD NO SMOKE IN CABIN IAW MM 21-40-00 RTS.Nov 21, 2025 · N2691W · Swrngn SA227ACSDR DXTA2025111705686Coalescer Bag · odorDURING TAKE-OFF AROUND 600' DURING GEAR RETRACTION WE GOT A HYDRAULIC/ELECTRICAL ODOR IN THE CABIN. AROUND 1500' THE ODOR CONTINUED TO GET STRONGER. LEVELED OFF AT 4000' STARTED A RETURN BACK INTO KDAL. THE ODOR STARTED TO DISSIPATE A LITTLE, THE FLIGHT ATNov 14, 2025 · N254QS · Cndair CL6002B16SDR SWAA2025110531910Coalescer Bag · odorON TAXI IN, STARTED APU, TURNED ON APU AIR. SMELLED SMOKE, TURNED OFF APU AIR AND APU. TURNED OFF RECIRCULATION FAN ODOR CLEARED. SMOKE ODOR IN ENTIRE CABIN, FWD AND AFT. C/W INSPECTION 05-51-56-0200-801 COULD NOT DUPLICATE. REPLACED COALESCER BAGS NR 1 & Nov 4, 2025 · N7862A · Boeing 73779PSDR SWAA2025100922994Coalescer Bag · dirtyPUNGENT DIRTY SOCK SMELL IN COCKPIT DURING CLIMB AND DECENT. R & R CABIN AIR FILTER IAW AMM 21-25-01, UPON FURTHER EVALUATION; FOUND LT COALESCER BAG VERY DIRTY. R & R LT AND RT WATER SEPARATOR COALESCER BAGS IAW AMM 21-51-05. PERFORMED ENG RUN ON BOTH ENOct 8, 2025 · N283WN · Boeing 7377H4SDR DALA2025092907059Coalescer Bag · odorSMOKE AND ODOR IN CABIN AT GATE WITH PASSENGERS ON BOARD AT DEPARTURE TIME. F/A SAYS SHE SMELLS OIL IN THE CABIN. DECONTAMINATED AFT BULKHEAD AND INSTALLED NEW INSULATION PER B717 AMM 25-85. R & R COALESCER BAG ASSEMBLY PER AMM 21-54. (1219929)Sep 26, 2025 · N919AT · Boeing 717200SDR IPXA2025091628055Coalescer Bag · odorNOTICED AN ODOR AT 11,000 FT DISSIPATED AT 15,000 FT FO SAID IT SMELLED LIKE BURNING RUBBER. REMOVED AND REPLACED NR 2 PACK WATER SEPARATOR CONICAL COALESCER IAW AMM 21-54-04, LEAK CHECK GOOD. DURING ENGINE RUN ISOLATED NR 2 PACK FOR 5 MINS WITH NO NOTABLE OSep 16, 2025 · N284UP · Doug MD11FSDR DALA2025062604792Coalescer Bag · contaminatedSHIP 9535 STARTED APU AND DIRTY, MUSTY SMELL OCCURRED ONCE AIR CAME ON. CALLED MX, UNABLE TO FIX IMEDIATLY. CORRECTIVE ACTION: COALESCER BAGS SOAK IN WATER AND DIRTY CAUSE THE ODOR IN CABIN. FOUND DRAIN LINE CLOGGED AND UNCLOGGED LINE. RAN APU FOR 2 HOURS WITHJun 25, 2025 · N992AT · Boeing 717200SDR CALA2025060905367Coalescer Bag · faultedEXCESSIVE ODOR ON TAKOFF ODOR CONTINUED FOR 10 MINS BEFORE DISSI PATING DEBRIEFED INBOUND FLT CREW AND ADDED FORM 46-6020 IN PICS. PULLED AFT WALL OF FORWARD CARGO PIT. REPLACED RIGHT RECIRCULATION FILTER, PER AMM 21-25-01-000-801. INSTALLED FWD CARGO PIT AFT Jun 6, 2025 · N15712 · Boeing 737724SDR SWIA2025060600004Filter · odorSTRONG SMELL OF SMOKE OR FUMES POSSIBLY COMING FROM AN ELECTRICAL SOURCE THROUGHOUT THE ENTIRE CABIN AND FLIGHT DECK. DISSIPATED WITHIN 5 MINUTES. EMERGENCY WAS DECLAIRED. (FLIGHT 6001 - FILED OPEN)THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 30259646 WITH Jun 4, 2025 · N163SY · Emb ERJ170200LRSDR VNAA2025052911101Water Separator · odorNOTED A SMELL IN FD AFTER INITIATING O2 MASK TEST. FD FILLED WITH SMOKE AND ELECTIRCAL BURING SMELL. RAN EVACUATION QRC. NO MEDICAL ATTENTION WAS REQUIRED. / REMOVED AND REPLACED L PACK WATER EXTRACTER IAW CRJ700 AMM-21-51-18-000/400-801-A01. OPS AND LEAK CHECMay 25, 2025 · N526EA · Cndair CL6002C10SDR KCSA202504150314Coalescer Bag · unserviceableSMOKE CREW REST. TRANSFERRED TO DMI 100191197 IAW B747 MEL 26-14-2-1-2 CAT C DUE 4-23-25 PLACARDS INSTALLED (M) PROCEDURES COMPLIED WITH. REMOVED AND REPLACED PACK 3 WATER SEPERATOR COALESCER BAG IAW B747-400 AMM 21-51-05. OPERATIONS AND LEAK CHECK GOOD. NO DApr 13, 2025 · N705CK · Boeing 7474B5FSDR DXTA2025041403068Coupling · out of positionCABIN PRESSURIZATION CONTROL: DURING CLIMBOUT, WE NOTICED A FLUTTERING/POPPING NOISE FROM ABOUT 1000 MSL TO ABOUT 2000 MSL. IT STOPPED. THEN WE NOTICED THAT THE CABIN WASNT PRESSURIZING AS QUICKLY AS NORMAL. CABIN ALTITUDE WAS ABOUT 4000 CLINBING THROUGH 14,00Apr 12, 2025 · N341QS · Cessna 680SOVSDR QMLA2025032420040Motor · shortedELECTRICAL SMOKE ODOR IN CABIN. AFT EVAPORATOR MOTOR HAD INTERNAL SHORT CAUSING SMOKE SMELL AND CAUSING AFT PORTION OF A/C TO BE INOP.Mar 23, 2025 · N382AM · Urocop EC130B4SDR 3EJA202503210001Condenser · dirtyDURING FINAL APPROACH RECEIVED SMOKE DETECTOR LIGHT FOLLOWED BY SMOKE APPEARING OUT OF CABIN AND COCKPIT VENTS. CLEANED WATER SEPARATOR AND RAN ENGINES AND APU AND COULD NOT DUPLICATE SMOKE N CABIN OR COCKPIT.Mar 18, 2025 · N863JS · Cessna 560XLSDR DXTA2025011001872Water Separator · faultedJUST AFTER T/O (BEFORE TRANSFERRING BLEEDS TO ENGINES) SMOKE AND HEAVY CONDENSATION IN THE COCKPIT. SMOKE IN CABIN(PASSENGERS NOTICED). DECLARED EMERGENCY DONNED MASKS IMMEDIATELY ASKED FOR RETURN TO DEPARTURE AIRPORT. COMPLETED CHECKLISTS AND LANDED BELOW MJan 7, 2025 · N259QS · Cndair CL6002B16SDR WX0A2024122032237Fcu · leaking(AIRCRAFT NOT GROUNDED) DESCENDING THROUGH 28,500 FEET F/A'S REPORTED STRONG DIRTY SOCK ODOR. WE FOLLOWED THE QRH SUPPLEMENTAL PROCEDURE AND THE ODOR DEMINISHED GREATLY WITH PACK 1 OFF. FOUND APU FCU LEAKING. REMOVED AND REPLACED APU FCU IAW AMM 49-32-11-000-Dec 19, 2024 · N324NV · Airbus A319112SDR WX0A2024120932230A/C Pack · abnormal(AIRCRAFT NOT GROUNDED) MUSTY ODOR REPORTED IN AFT GALLEY AREA BY FA4 ON TAKEOFF AND ON GO AROUND. ODOR DISIPATED AND INTERMITTANT. COMPLIED WITH TASK CARD NR-00001 W/O 509143ITEM: 1COMPLIED WITH TASK CARD NR-00001 W/O 509143.Dec 7, 2024 · Airbus A319112SDR DXTA2024120201323Coalescer Bag · dirtyCOCKPIT ODOR: AFTER STARTING THE APU AND WAITING TWO MINUTES TO OPEN THE BLEEDS WE GOT A STRONG OIL BURNING/ EXHAUST ODOR. AFTER LETTING IT RUN ANOTHER 20 MINUTES THE ODOR STILL HAD NOT SUBSIDED. AIRCRAFT CAME OUT OF MAINTENANCE. CORRECTIVE ACTION; REMOVED THENov 29, 2024 · N216QS · Cndair CL6002B16SDR WX0A2024112532224Pressure System · abnormal(AIRCRAFT NOT GROUNDED) DIRTY SOCK SMELL ENCOUNTERED ON DECENT WITH ENG ANTI ICE ON THROUGH VISIBLE MOISTURE. / (FINAL TROUBLESHOOTING) PERFORMED T/C 21-000-001, COULD NOT DUPLICATE ODOR. COMPLIED WITH TASK CARD 21-000-002.THIS CLEARS M313 MDDR 203260."Nov 22, 2024 · N318NV · Airbus A319111SDR DXTA2024112501212Coalescer Bag · damagedODORS IN COCKPIT / CABIN: BOTH CABIN AND COCKPIT HAVE A MUSTY SMELL DURING GROUND AND FLIGHT OPERATIONS. SMELL SEEMS TO BE WORSE ON GROUND DURING APU BLEED OPERATIONS. REMOVED LEFT AND RIGHT WATER SEPARATOR FOR DISSASEMBLY I / A/W CL650 AMM 21-51-13. REMOVED Nov 20, 2024 · N234QS · Cndair CL6002B16SDR DXTA2024111501131Condesor · dirtySMOKE IN THE CABIN DURING APU RUN CORRECTIVE ACTION; DISSASEMBLED THE WATER SEPARATOR AND CLEANED THE CONDESER. REMOVED THE OLD CONDENSER BAG DUE TO SMOKE IN THE CABIN P/N 83237-12 NSN AND INSTALLED CUSTOMER SUPPLIED NEW CONDENSER BAG P/N 83237-12 NSN. REASSEMNov 13, 2024 · N556QS · Cessna 560XLSDR UIEA2024110901083Clamp · failedFL320 EICAS MESSAGE EQUIP COOLING. RETURNED TO MIA. REPEAT WRITE UP. AFTER LANDING, EICAS MESSAGE RETURNED(<P>INSTALLED CLAMP ON WATER SEPERATOR IAW AMM 21-51-05-402-025. REACTIVATED PACK 2. OPS CHECK GOOD. DMI 220071 CLOSED.</P>)Nov 9, 2024 · N499MC · Boeing 74747UFSDR CALA2024110601055Module · wrong partREF L/P 9747367 FOUND AIR SEPARATION MODULE 3261211-0101 INSTALLED ON AIRCRAFT NOT FOUND IN APIC FOR PARTICULAR AIRCRAFT EFFECTIVITY REF AIPC 47-11-01-02, ITEM NO. 310 FOR CORRECT PART NUMBER. WILL REQUIRE PART 2180163-101, M&E 61-4711-9-0001. PARTS ON ORDER INov 5, 2024 · N27258 · Boeing 7378SDR K11A2024092300286Water Separator · faultedAT 14500 FT AUTO FAIL AND STANDBY LIGHTS CAME ON. I CALLED FOR THE QRH, AS MY F.O. STARTED THE QRH FOR CABIN ALTITUDE LIGHT AND HORN CAME ON. I IMMEDIATELY STARTED A DECENT FROM 15000 FT TO 10000 FT, WE RAN THE QRH AND WAS NOT ABLE TO MAINTAIN CABIN ALTITUDE ASep 23, 2024 · N403CK · Boeing 7374Q8SDR HEEA202407240001Motor · inoperative15 MINUTES FROM HOUMA, SMOKE WAS OBSERVED COMING OUT OF A/C VENTS. AIR CONDITIONER AND FAN WERE TURNED OFF AND SMOKE IMMEDIATELY STOPPED.Jul 23, 2024 · N714P · Skrsky S76C
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