JASC 2121

Service difficulty reports · 4,375

Reports filed under 2121 · Air Distribution Fan, newest first.

Query with SQL
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 = '2121'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR DALA2026102005760Fan · failedIN DESCENT OUT OF FL330 GOT BURNING ELECTRICAL AND RUBBER ODOR THROUGHT ACFT. AMBER FAN ON CONDITION PAGE. REMOVED CABIN RECIREULATION FAN 15HG PER AMM 21-21-51. WATTING ON NEW FAN FOR NOW. BEFORE RECIRC FAN REMOVAL PERFORMED TEST AND SMELLED ELECTRICAL ODEROct 20, 2026 · N348NB · Airbus A319114SDR AALA202610190251Relay · damagedAIRCRAFT WAS GROUNDED: ON DESCENT OUT OF 10,000 FLIGHT DECK HAD AN ELECTRICAL SMELL. DISSIPATED BY 6,000. MAINTENANCE PERFOMED GVI OF COCKPIT C/B PANELS AND ALL E&E BAYS. FOUND RELAY 7HG (LH RECIRC FAN CONTROL) DAMAGED. REPLACED RELAY 7HG IAW ESPM 20-46-50. REOct 18, 2026 · N4032T · Airbus A319115SDR VNAA2026102026701Fan · failedEVACUATION FOR FUMES IN AIRCRAFT. C/W FIM 21-22-00-810-806-A01 AND 21-21-00-810-806-A01. CABIN FUMES APPEAR TO BE FROM ACTIVATION OF O2 GENERATORS. FLIGHT DECK FUMES APPEAR RELATED TO NR 2 DISPLAY FAN FAIL. REMOVED AND REPLACED DISPLAY COOLING FAN NR 2 IAW AOct 17, 2026 · N574NN · Cndair CL6002D24SDR SWAA2026100891056Fan · odorACRID ODOR ON DESCENT, DISSIPATED WITH RECIRC FANS TURNED OFF. REAPPEARED WITH FANS BACK ON AT GATE. R & R LT RECIRC FAN IAW AMM 21-25-02, AND R & R LT RECIRC AIR FILTER IAW AMM 21-25-01. OPS CHECKED NORMAL AND NO ACRID ODORS.Oct 4, 2026 · N8790Q · Boeing 7378SDR CALA2026100520077Apu · odorAFTER ENG SHUTDOWN AT GATE APU BLEED ON. SMOKE FILLED CABIN SLIG HT BURN SMELL PERFORM CONDITIONAL INSPECTION PER AMM 05-51-58-910-801-C1. IAW TASK 05-51-58-910-801-C1 SMOKE/ODOR IN THE FLIGHT DECK AND/OR CABIN CONDITIONAL.Oct 2, 2026 · N14115 · Boeing 757224SDR EVCA2026100126Blower Motor · unserviceableELECTRICAL SMELL WHEN AIR CONDITIONER IS TURNED ON. AFT BLOWER MOTOR WAS THE CAUSE. SYSTEM MEL'ED UNTIL A REPLACEMENT ARRIVES.Sep 30, 2026 · N293AE · Bell 206L3SDR DALA2026093005427Fan · failedENROUTE, VENTB LOWER FAULT. ALSO HAD BURNING RUBBER ODOR. COMPLIED WITH ECAM ACTIONS & ODOR DISAPPEARED. FOUND VENT BLOWER FAN FAILED. R/I VENT BLOWER FAN PER A321 AMM 21-26. (LP 9625966, 1839367 - AIRCRAFT WAS GROUNDED)Sep 29, 2026 · N581DA · Airbus A321271NXSDR 2026FA0000791Motor · overheatedVENT MOTOR FOUND INOPERATIVE, WITH EVIDENCE OF OVERHEATING.Sep 29, 2026 · N443BG · Piper PA44180SDR QMLA2026092120072Blower · odorON GOING ISSUE WITH AN ELECTRICAL SMELL IN FLIGHT. HAPPENED AGAIN LAST NIGHT FIRST TIME ME THE PILOT EVER SMELLED IT. WORKED THROUGH TO ISOLATE THE PROBLEM AND APPEARS TO BE THE BLOWER COMPONENTS. DISCREPANCY DEFERRED IN REF TO AMBH407 MEL REV#27. MEL ITEM 210Sep 20, 2026 · N229AM · Bell 407SDR DALA2026092205287Fan · faultedFUMES, DECLARED AN EMERGENCY DUE TO AN ELECTRICAL ODOR FOLLOWED BY VENT EXTRACT FAULT ECAM WARNING. FOUND VENT EXTRACT FAN (18HQ) WITH BBHM RED INDICATOR ILLUMINATED, REPLACED SAME. (LP 9500696 - AIRCRAFT WAS GROUNDED)Sep 19, 2026 · N318DX · Airbus A321213SDR QMLA2026092820074Blower Motor · failedELECTRICAL BURN SMELL 5 TO 10 MINUTES INTO FLIGHT IN CABIN. THE SMELL WAS VERY POTENT BUT ONLY LASTED ABOUT 5 TO 10 SECONDS WITH NOW LINGERING EFFECTS.Sep 18, 2026 · N388AM · Urocop EC130B4SDR N6WA2026091819Cooling Fan · faultedDISPLAY COOL CAUTION MESSAGE (B1-006414 DISPLAY FAN1 / LOW FAN SPEED) - RETURN FLIGHT. REMOVED AND REPLACED DISPLAY SUPPLY FANS OPS CHECK GOOD IAW CRJ 550 AMM 21-24-12.Sep 17, 2026 · N563GJ · Cndair CL6002C11SDR AALA202609172244Fan · odorAIRCRAFT WAS NOT GROUNDED: 1 HOUR 40 MINUTES INTO FLIGHT TO CANCUN FLIGHT, AT FL 370, WE STARTED GETTING A CONSTANT NOISE WITH FLOOR VIBRATION. THIS FLOOR VIBRATION COULD BE FELT IN COCKPIT AND ESPECIALLY IN FORWARD GALLEY RIGHT SIDE. IT WAS NOT THE FORWARD LSep 14, 2026 · N908AA · Airbus A321231SDR DALA2026091405116Fan · failedTEN MINUTES PRIOR TO TOP OF DESCENT BOTH PILOTS SMELLED A BURRING PLASTIC SMELL WHICH CONTINUED THROUGH MOST OF THE DESCENT. WE HEARD A SLIGHT WAILING NOISE JUST PRIOR TO THE SMELL. C/A: STARTED TROUBLESHOOTING PER AMDS WORK CARD 0550-2002. INSPECTED COCKPIT ISep 13, 2026 · N341NW · Airbus A320212SDR AALA202609167972Cooling Fan · leakingAIRCRAFT WAS GROUNDED: DESCENDING THRU10000 FT THE PACKS GIVE OFF STRONG ODOR - MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL FROM THE FAN SIDE OF THE TRANSFER TUBE AND REPLACED IT PER AMM 49-52-51Sep 12, 2026 · N111ZM · Airbus A321231SDR SWIA2026090277099Fan · odorSTRONG ELECTRICAL ODOR NEAR GALLEY & ODOR CONTINUES THROUGH ACFT. (FLIGHT 4953) ON ARRIVAL TO ACFT, NO BURNING OR ELECTRICAL ODORS NOTED. PERFORMED OPS CHKS OF LT & RT PACKS WITH APU & LT & RT ENGS IAW AMM 21-50-00, BOTH INDEPENDENTLY & WITH ALL 3 IN OPERATIONSep 2, 2026 · N719SK · Cndair CL6002C10SDR CALA2026090319226Fan · faultedVENT BLOWER FAULT ECAM ON GROUND. SWITCHING BLOWER TO OVERIDE C AUSES CHEMICAL ODOR REMOVED BLOWER FAN REF AMM 21-26-51-000-001-A. REMOVED BLOWER FAN REF AMM 21-26-51-000-001-A. REMOVED AND REPLACED FAN AVIONICS FAN GROUND COOLING AMM 21-26-51/40.Sep 2, 2026 · N851UA · Airbus A319131SDR RJEF20263108001Fan · faultedCABIN PRESSURE EXCESS CAB ALTITUDE DISPLAYED ON ECAM PROCEDURE WAS MADE ACCORDING TO OEB 61. PERFORMED GENERAL VISUAL INSPECTION ON AVIONICS VENTILATION DUCTS AND WERE FOUND 3 DUCTS WITH CRACK BTW LATERAL AVIONICS COMPARTMENT RH AND AFT AVIONICS COMPARTMENT. Aug 31, 2026 · N686TA · Airbus A320214SDR AALA202608317383Fan · fault messageAIRCRAFT WAS NOT GROUNDED: DURING CRUISE FLIGHT AN ELECTRICAL ODOR IN THE AFT CABIN WAS REPORTED BY THE FLIGHT ATTENDANT AND AN AMBER FAN MESSAGE DISPLAYED ON THE COND PAGE - THE FLIGHT CREW REPORTED THAT THE ODOR DISSIPATED WITHIN 5 MINUTES AND NO OTHER ISSUEAug 24, 2026 · N543UW · Airbus A321231SDR EVCA202608250001Blower Motor · unserviceableBURNING ELECTRICAL ODOR IN THE CABIN. BLOWER MOTOR UNSERVICABLE.Aug 24, 2026 · N465AE · Bell 206L4SDR 8LFA202608250003Resistor · failedDURING FLIGHT SMOKE/FUMES EMANATED FROM LEFT AIR CONDITIONING BLOWER. TROUBLESHOOTING REVEALED THAT A FAILED RESISTOR CAUSED THE BLOWER MOTOR TO FAIL AND PRODUCE SMOKE/FUMES. AIR COMM VAPOR CYCLE AIR CONDITIONING STC# SR00222DE INSTALLED.Aug 23, 2026 · N409LF · Bell 407SDR QMLA2026081320055Blower Motor · burned outODOR OF BURNT ELECTRICAL WIRING. FOUND SMELL COMING FROM AFT AC VENTS. FOUND CONDENSATION/WATER IN ELECTRICAL MOTOR. REPLACED AFT BLOWER MOTORAug 13, 2026 · N910U · Urocop EC130B4SDR QMLA2026081420058Blower Motor · odorFUMES IN CABIN/ COCKPIT DURING CRUISE FLIGHT SHORTLY AFTER TAKEOFF. RESULTED IN ABORTED FLIGHT AND RETURN TO BASE. REPLACED AFT BLOWER MOTORAug 11, 2026 · N137AM · Urocop EC135P2SDR DALA2026081804714Fan · faultedAIRCRAFT 3096, AT CRUISE GOT A CALL FROM AFT FA OF SMELLS. TURNED OFF CAB FANS, EXTRACT OVRD, BLOWER OVRD & GALLEY & CAB OFF. FOUND LT RECIRC FAN C/B POPPED. REPLACED LT RECIRC FAN (15HG) IAW A321 AMM 21-21-51. CKS GOOD. (LP 9128862 - AIRCRAFT WAS GROUNDED)Aug 10, 2026 · N396DN · Airbus A321211SDR YENA2026080700659Fan · failedFLT 220, SAN-BOS. MUSTY ODOR IN COCKPIT AND CABIN DURING DESCENT FROM 4000 FEET UNTIL LANDING PACK 1 OFF AND APU OFF. PACK ON.; (SUPPLEMENTAL INFORMATION TO FOLLOW)Aug 5, 2026 · N2180J · Airbus A321271NXSDR YENA2026080700658Fan · failedFLT 588, MCO-ORH. AT FL 350 VERY HEAVY ELECTRICAL ODOR IN COCKPIT. CIRCUIT BREAKER X-18 POPPED AND ODOR SUBSIDED - LT RECIRC INOP FANS; R & R LT RECIRC FAN IAW AMM 21-21-51. OPS CK GOOD PLACARD REMOVED MX4 UPDATEDAug 5, 2026 · N606JB · Airbus A320232SDR YENA2026080500653Cooling Fan · failedFLT 944, BZN-JFK. OIL FUMES EVENT INITIALLY OCCURED AT FL 250 ON DECENT. ODORS DISSIPATED FUMES AGAIN OCCURED ON FINAL APPROACH AT 3000FT. DID NOT FOLLOW ISOLATION GUIDE; COMPLIED WITH INFORMATION NOTICE 2017-T015, STEPS 1 AND 2. IDENTIFIED ODOR TO BE APU OIL Aug 4, 2026 · N536JB · Airbus A320232SDR 2026FA0000617Blower Motor · burned outCREW SMELLED A BURNING OR SMOKY SMELL COMING FROM AC VENTS. TURNED OFF AC AND BLOWER MOTOR, PULLED CIRCUIT BREAKER FOR AC, OPENED VENTS AND WINDOWS. AIRCRAFT LANDED WITH NO OTHER FAULTS.Jul 31, 2026 · N407BU · Bell 407SDR CALA2026080218157Fan · faultySTRONG FUME/ODOR IN FLIGHT DECK. PERFORMED CONDITIONAL INSPECTION IAW AMM 05-51-58. UNABLE TO FIND SUSPECTED CAUSE, AND COULD NOT DUPLICATE FUME CONDITION AFTER AIRCRAFT WAS DEBOARDED. AS A PERCAUTION, REMOVED AND REPLACED LT RECIRCULATION FAN IAW MM 21-25Jul 30, 2026 · N14121 · Boeing 757224SDR AALA202607301669Fan · faultedAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO CLT DUE TO THE FLIGHT CREW REPORTING LOW FREQUENCY VIBRATION AND NOISE FROM UNDER FLIGHT DECK LAST HALF OF FLIGHT. 30 MIN OUT WENT SILENT, MOMENTARILY FUME SMELL AND VENT EXTRACT FAULT. FUMES QUICKLJul 27, 2026 · N189UW · Airbus A321211SDR YENA2026072800629Cooling Fan · failedFLT 23, DCA-DJT. DURING DESCENT 14000 MSL LIGHT INTENSITY ODOR DIRTY SOCK IN COCKPIT - PACK ONE OFF SEEMED TO DIMINISH ODOR. HISTORY OF ODOR ON AIRCRAFT; COMPLIED WITH INFORMATION NOTICE 2017-T015, STEPS 1 AND 2. IDENTIFIED ODOR AS TYPE 1- APU ODOR FOUDN APUJul 26, 2026 · N536JB · Airbus A320232SDR HNAA2026072800638Fan · inoperativeREPORTED FUMES/ODOR WITH APU OPERATION. WHILE T/S FPOUND NO 1 RECIRC FAN INOP W FUSE F0059 BLOWN R/R FUSE F0059 IRW AMM 20-13-08 R/R NO 1 RECIRC FAN AND FILTER IAW AMM 21-24-01 OPS AND LEAK CHECK GOOD RAN PACK 1/2 NO ODORS NOTEDJul 25, 2026 · N645AE · Emb EMB145LRSDR QXEA2026072800168Relay · failedFLIGHT 2117. RECIRC 2 FAN FAILED. PLACED ON MEL 21-24-01A. MEL CLEARED BY CHECKED AND FOUND NO VOLTAGE AT RECIRCULATION FAN 2. REPLACED RELAY K7 IN RIGHT ICC IAW EMBRAER B175 SWPM 20-32-02 PER FIM TASK# 21-24-00-810-802-A. RECIRCULATION AIR SYSTEM OPERATIONAJul 24, 2026 · N669QX · Emb ERJ170200LRSDR YENA2026072100607Fan · warning messageFLT 1408, CDG-JFK. (ETOPS) COND LAV & GALLEY FAN FAULT CAUTION APPEARED DURING FLIGHT. ASSOCIATED WITH THE MESSAGE FWD & AFT CABIN TEMPERATURE ON CRUISE AND COND PAGES DISAPPEARED AND REPLACED BY AMBER X'S ( LAVATORY AND GALLEY EXTRACTION FAN ).Jul 20, 2026 · N4048J · Airbus A321271NXSDR CALA2026072417963Fan · failedFA REPORTS SMOKE AND FUMES IN AFT OF ACFT. SUBSIDED WITH QRC UPDATED. PER CHECKLIST, SHUTDOWN RECIRC FANS AND SMOKE & ODOR STOPPED. PERFORMED SMOKE ODOR IN THE CABIN INSP IAW AMM 05-51-26-800-801-C1. RESET BREAKER & PERFORMED OPS CHECK & RT RECIRC FAN GENERAJul 18, 2026 · N18223 · Boeing 737824SDR CALA2026071517790Fan · faultedSTRONG ELEC BURNING ODOR, FOLLOWED BY LT RECIRC FAN CAS MESSAGE ODOR, ODOR DISAPATED WITH FAN OFF. DEBRIEF WITH CREW, NO SMOKE JUST ODOR WHEN EICAS MESSAGE CAME ON AND LT RECIRC FAN OFF ,ODOR THEN DISSIPATED NO EVIDENCE OR SMOKE OR ODOR DURING THE REST OF TJul 9, 2026 · N671UA · Boeing 767322SDR CALA2026070617561Fan · faultedDUE TO MULTIPLE LAV/AFT GALLEY LOW AIRFLOW AND LAVATORY/GALLEY FAN 1 MESSAGE WITH ADDITIONAL ITEMS OF LAV ODOR AT LAV "C", REMOVE AND REPLACE LAV/GALLEY FAN 1 PER AMM 21-26-06-00A. WORK IN CONJUCTION WITH FUP L/P 9388980. CONTACT TOMC WITH ANY QUESTIONS. CARRIJun 29, 2026 · N12004 · Boeing 78710SDR CALA2026070117497Fan · faultedAT TOP OF DESCENT LOUD POPPING NOISE FOLLOWED BY LOUD AIR SURGE SOUND FOLLOWED BY A BURNING SMELL FOR ONE MINUTE THEN THE SOUND OF THE CIRCUIT BREAKER POPPED.FWD EQ EXH FAN EICAS S THE FORWARD EQUIPMENT EXHAUST FAN HAS A FAILURE.FWD EQUIPMENT CIRCUT BREAKER AUJun 29, 2026 · N654UA · Boeing 767322SDR CALA2026070117496Fan · faultedFWD ZONAL DRYER FAN FAILS, LATCHED MAINTENANCE MESSAGE 21-71211. R & R FWD ZONAL DRYER IAW AMM 21-72-01-00A-720A.MESSAGE STILL PRESENT. PERFORMED CMCF GROUND TEST 21 HUMIDITY CONTROL SYSTEM, SYSTEM, FORWARD ZONAL DRYER AND HUMIDIFICATION SYSTEMS TEST PASSEDJun 29, 2026 · N30913 · Boeing 7878SDR VNAA2026062920404Fan · unserviceableAPU DOOR CAUTION MSG AFTER TAKE OFF. FA AND AFT FA REPORT A STRONG BURNING ODOR AT THE SAME TIME DURING TAKE OFF . RAN APU DOOR CAUTION QRH FAULT PERSISTED / REMOVED AND REPLACED RH RECIRCULATION FAN IAW AMM 21-22-10-000/400 801-A01. LEAK TEST PASS OP TEST GJun 26, 2026 · N559NN · Cndair CL6002D24SDR VNAA2026062619801Fan · failedRECIRCULATION FAN FAULT MESSAGE. DEFERRED RECIRCULATION FAN NR 2 IAW MEL 21-22-01-2 CAT C. FC FUNCTION C/W BY PULLING AND COLLARING CBP-2 A5, B11. REMOVED AND REPLACED #2 RECIRCULATION FAN IAW CRJ900 AMM TASK21€“22€“10€“000/400€“801. OPS CHECK GOOD, THISJun 23, 2026 · N560NN · Cndair CL6002D24SDR 2026FA0000545Blower Motor · brokenUNUSUAL NOISE FROM THE PASSENGER BLOWER MOTOR.Jun 22, 2026 · N240SF · Bolkms BK117C2SDR EVCA20260714001Motor · faultedAIRCRAFT DEPARTED THE BASE FOR A SCENE FLIGHT IN NASHVILLE ARKANSAS. APPROXIMATELY 5 MINUTES AFTER DEPARTURE CREW DESCRIBED SMELLING ELECTRICAL WIRES BURNING ALONG WITH ALL AIR CONDITIONER BLOWERS STOPPING. UPON TROUBLESHOOTING THE SYSTEM IT WAS FOUND THAT THEJun 21, 2026 · N102AE · Bell 407SDR U2RA202606200031Fan · failedSMOKE IN COCKPIT FOR A MOMENT AT 2320Z ASSOCIATED BURNING SMELL (ELECTRICAL) INTERMITTENT FOR REMAINDER OF FLT IN ALL GALLEYS AND COCKPIT.ACCOMPLISHED SDCU (1)(2) BITE TEST REF A330 AMM 26-16-00 AND LOWER DECK COMPARTMENT AVC/COMP REF AMM 26-16-00. FOUND BULK Jun 20, 2026 · N828CA · Airbus A330243SDR WX0A2026061932855Fan · odor(AIRCRAFT NOT GROUNDED) AT 23:00Z 45 MIN FROM LANDING AT ATW AT 35,000 CRUZE FWD FA AND FLIGHT DECK CREW SMELLED ELECTRICAL BURNIG SMELL FROM FORWARD AREA OF PLANE. IT DISAPATED WITHIN 2 MIN OF THE INITIAL SMELL. PERFORMED TSM 21-21-00-810-803-A THRU STEP 4A2Jun 17, 2026 · N196NV · Airbus A320214SDR RU3A202606250249Cooling Fan · arcedDURING FLIGHT INSPECTION AT KSAV IN N77 ALL CREW MEMBERS ACKNOWLEDGED SIGNIFICANT EYE IRRITANT PRESENT. MYSELF AND MS HAD WATERING PRESENT IN EYES, SIC ACKNOWLEDGE EYES BURNING. I DECLARED AN EMERGENCY WITH SAV APPROACH AND WAS GIVEN AN IMMEDIATE CLEARANCE Jun 16, 2026 · N77 · Beech 300BEECHSDR QMLA2026061220037Blower Motor · failedDURING DECELERATION ON APPROACH TO HOME BASE, BOTH AIR-CONDITIONING BLOWERS CEASED OPERATING. SHORTLY THEREAFTER, ALL OCCUPANTS DETECTED A BURNING PLASTIC ODOR IN THE AIRCRAFT. DEACTIVATED AIR CONDITIONING SYSTEM MEL'D 2100-01. REPLACED FORWARD RT EVAPORATORJun 11, 2026 · N407LS · Bell 407SDR REXA2026061700966Fan · inoperativeDURING FINAL APPROACH FLIGHT ATTENDANT REPORTED SMELL OF SMOKE AS WELL AS HAZE { LIGHT SMOKE} IN FWD CABIN EMERGENCY DECLEARED- CABIN QRH CHECK LIST COMPLETED HAZE CONDITION DISSIPATED ODOR REMAINED SAFE ENOUGH TO CONTINUE TO GATE NO SMELL IN COCKPIT OR AFT CAJun 10, 2026 · N926XJ · Cndair CL6002D24SDR 2026FA0000509Blower · faultyDURING TAKEOFF IT WAS NOTED AN UNUSUAL NOISE WAS HEARD IN THE CABIN OVERHEAD FOLLOWED BY AN ODOR. ABORTED TAKEOFF AND SHUT DOWN AIRCRAFT.Jun 9, 2026 · N240SF · Bolkms BK117C2SDR DALA2026061303559Check Valve · faultedDURING PUSH GALLEYS LOST POWER UPON RESET OF UTIITY BUSES A BRIEF ELECTRICAL ODOR WAS NOTED IN THE COCKIT AND FWD GALLEY. R & R LT RECIRC FAN CHK VALVE IAW AMM 21-25 OPS CHKD NORMAL (8859032) (AIRCRAFT GROUNDED)Jun 8, 2026 · N180DN · Boeing 767332
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